Episode 551 first aired September 30, 1998. Written by Ira Steven Behr and Hans Beimler. Directed by Les Landau. Guest Starring: Jeffrey Combs as Weyoun; Casey Biggs as Damar; Barry Jenner as Admiral Ross; J.G. Hertzler as Martok; Megan Cole as Cretak; Aron Eisenberg as Nog; James Darren as Vic Fontaine; Brock Peters as Joseph Sisko.

Stardate Unknown. The seventh season premiere episode finds Sisko attempting to make sense of Jadzia Dax's death, as well as the fate of his own future (as seen in last season's finale episode "Tears of the Prophets"). He receives a vision from the Prophets, who were believed to be dead, and is led to the discovery of a long help family secret.

Three months after a possessed Gul Dukat killed Jadzia Dax and sealed the wormhole, life on Deep Space Nine has changed. Kira, the acting commander, is upset when Admiral Ross informs her that the Romulans will set up a station office, while Sisko has retreated to Earth to contemplate a way of contacting the Bajoran Prophets -- the aliens who reside within the wormhole. When the vision of a woman's face, buried in the sand, appears to Sisko, he sketches her, and Jake recognizes her from one of his grandfather's photos. Part one of two.

This show marks Nicole deBoer's introduction as the young, exotic Ensign Ezri Dax, who is the new host of the three hundred year old symbiont that was previously in Jadzia Dax.

Episode 552 first aired October 7, 1998. Written by Ira Steven Behr and Hans Beimler. Directed by Allan Kroeker. Guest Starring: Jeffery Combs as Weyoun; Casey Biggs as Damar; Barry Jenner as Admiral Ross; J.G. Hertzler as Martok; Deborah Lacey as Sarah Alien; Megan Cole as Cretak; Brock Peters as Joseph Sisko.

Stardate Unknown. Sisko meets Ezri, the new host of the Dax symbiont, before separting Earth for the planet Tyree with his father, Joseph, and son Jake. Ezri wishes to accompany them on their search for Bajor's mythical Orb of the Emissary, which Sisko has been led to believe exists. Back at the station, Kira prepares a blockade to stop the Romulans, who have placed weapons on a Bajoran moon. On a Klingon ship, Worf, O'Brien, Bashir, and Quark embark on a mission of their own: to destroy a Dominion shipyard, thus securing a place for the spirit of Worf's dead wife Jadzia in the sacred Klingon afterlife of Sto-vo-kor. Part two of two.

Episode 553 first aired October 14, 1998. Written by Rene Echevarria. Directed by Les Landau. Guest Starring: Andrew Robinson as Garak.

Stardate Unknown. In addition to coping with the memories of her "past lives," Ezri Dax must deal with the range of reactions her presence generates. Kira awkwardly tries to make conversation; Sisko is happy to have his old friend back; Quark flirts with her; and Worf, pained by the memory of his dead wife Jadzia, which Ezri's presence provokes, makes it clear he wants nothing to do with her. Elsewhere, Garak inexplicably collapses and is rushed to Bashir's care.

Episode 554 first aired October 21, 1998. Written by Ronald D. Moore. Directed by Chip Chalmers. Guest Starring: Max Grodenchik as Rom;Aron Eisenberg as Nog; Lou Wagner as Solok; Chase Masterson as Leeta; Penny Johnson as Kasidy Yates.

Stardate Unknown. Vulcan Captain Solok brings his starship to Deep Space Nine for repairs made necessary from combat skirmishes. Convinced his all-Vulcan crew is the finest in the fleet, he challenges former classmate and longtime rival Sisko to a baseball game in the Holosuite. With only two weeks to whip his team into shape, Sisko vows he's going to beat Solok -- even though Jake is the only other person residing on the station who has ever played baseball.

Episode 555 first aired October 28, 1998. Written by Rene Echevarria. Directed by Jonathan West. Guest Starring: Tim Ransom as Jack; Faith C. Salie as Sarina; Hilary Shepard Turner as Lauren; Michael Keenan as Patrick; Aron Eisenberg as Nog.

Stardate Unknown. A group of genetically enhanced humans, once under Bashir's care, escape from their medical facility home in the hopes that the doctor -- who himself was genetically engineered as a child -- can cure their friend Sarina. Her enhancements left her in a catatonic state, and Bashir attempts an untried procedure on her brain that initially appears to have no effect. However, a few days later, Sarina speaks for the first time.

The show marks the return of the group we saw in "Statistical Probabilities"

Episode 556 first aired November 11, 1998. Teleplay by David Weddle and Bradley Thompson. Story by Philip Kim. Directed by Steve Posey. Guest Starring: Jeffrey Combs as Weyoun; Casey Biggs as Damar; J.G. Hertzler as Martok; Aron Eisenberg as Nog; Max Grodenchik as Rom; Salome Jens as Female Shapeshifter.

Stardate Unknown. Odo is lured to a secret meeting site, where he finds himself face to face with Weyoun, the Vorta leader of the enemy Dominion. Weyoun announces that he's decided to defect and, in exchange for asylum, he promises to provide valuable information that could help the Federation win the war. After the two board Odo's Runabout, the ship is hailed by the Cardassians. Odo is shocked when the monitor displays Weyoun standing beside Damar.

The Weyoun Odo has taken aboard the Runabout is actually a clone known as WV-Six, while the "real" Weyoun -- the seventh clone -- is still loyal to the Dominion cause. When WV-Six defies Weyoun's order to activate his termination implant, and Odo refuses to turn him over, Damar and Weyoun vow to destroy the Federation ship. But WV-Six doubts the verity of Weyoun's threat -- for Odo is a Founder, the race worshipped by the Vorta. Nonetheless, Damar summons the Jem'Hadar, and they besiege the Federation craft with gunfire.

WV-Six informs Odo of the attacking ship's weakness, and Odo destroys it. While awaiting the enemy's next move, WV-Six explains why his people worship Odo's race: the Founders transformed WV-Six's ape-like ancestors into powerful beings. Odo responds by pointing out that the Founders are also responsible for a war that has killed millions. WV-Six reveals a stunning fact: the Founders are dying from a sickness that is spreading rapidly through their ranks.

Weyoun explains that because Odo left his people long ago, he is the only Changeling not infected by the virulent disease. WV-Six expresses his hope that Odo will use the opportunity to build a new, more peaceful Dominion. After Odo hides the Runabout inside a frozen comet, four more Jem'Hadar ships attack and blast their way through the icy field.

Odo tries to outrace the ships, but the Runabout is subjected to constant pounding. To call off the attackers and save Odo, WV-Six contacts Weyoun and Damar, then activates the termination implant. Before WV-Six dies, he asks for, and receives, Odo's reluctant blessing. Back at the space station, Odo worries about the future: though his people are dying, they are still the enemy. Regardless of the war's winner, Odo is destined to lose.

Episode 557 first aired November 11, 1998. Written by Ronald D. Moore. Directed by Allan Kroeker. Guest Starring: John Colicos as Kor; J.G. Hertzler as Martok; Neil Vipond as Darok; Nancy Youngblut as Kolana; Blake Lindsley as Synon.

Stardate Unknown. To Worf's surprise, he is paid a visit by Kor, an aging Klingon war hero. Kor admits that his ambition has earned him countless enemies, and that consequently he has been unable to secure the command of a ship. Worf promises to find him a military command, and approaches General Martok with the request -- which is angrily refused. Martok explains that years earlier Kor had denied Martok officer status because he was descended from a common house. Undaunted, Worf appoints Kor as a third officer on the Ch'Tang, Martok's flagship, where he is treated with awe by the crew -- much to Martok's chagrin.

Episode 558 first aired November 18, 1998. Written by Ira Steven Behr and Hans Beimler. Directed by Winrich Kolbe. Guest Starring: Raymond Cruz as Vargas; Patrick Kilpatrick as Reese; Aron Eisenberg as Nog; Annette Helde as Larkin; Max Grodenchik as Rom.

Stardate Unknown. While making a supply run to the front lines, on the barren planet AR-558, Sisko encounters Starfleet troops that have been decimated during their five-month occupation of the largest Dominion communications array in the sector. If they can figure out how it works, Starfleet will be able to tap into Dominion transmissions. In addition to daily skirmishes with the enemy, the shell-shocked forces are constantly threatened by "Houdinis" - anti-personnel mines that "hide" in subspace, then explode without warning. Determined to help commanding officer Nadia Larkin and her troops, Sisko stuns his crew by announcing that they're staying at the site indefinitely.

Episode 559 first aired November 25, 1998. Directed by John Kretchmer. Written by Rene Echevarria. Guest Starring: Marc Alaimo as Dukat; Norman Parker as Vedek Fala; Jason Leland Adams as Benyan; Maureen Flannigan as Mika; Miriam Flynn as Midwife; Mark Piatelli as Brin.

Stardate Unknown. Vedek Fala, a Bajoran monk and Kira's former teacher, pays her an unexpected visit. He gives Kira a crystal which transports her to Empok Nor, where, to her horror, she is met by her old enemy Dukat -- a Cardassian who oversaw the occupation of Bajor. He is now the leader of a Bajoran religious faction which worships the Pah-wraiths -- the corporeal enemies of Bajor's prophets. Dukat wants Kira to join his followers on the abandoned Cardassian space station.

Episode 560 first aired December 30, 1998. Directed by Anson Williams. Story by David Mack and John J. Ordover. Teleplay by Ronald D. Moore. Guest Starring: Aron Eisenberg as Nog; Max Grodenchik as Rom; Chase Masterson as Leeta; James Darren as Vic Fontaine.

Stardate Unknown. After losing his leg in battle, a somber Nog returns to the space station to recuperate. The crew try their best to cheer him up, but the young ensign is struggling, both emotionally and physically, to cope with his disability, even though his new biosynthetic leg works perfectly. After pushing away those who try the most diligently to help, Nog decides to take his medical leave in the Holosuite world of 1962 Las Vegas lounge singer Vic Fontaine.

Episode 561 first aired January 6, 1999. Directed by Victor Lobl. Written by Bradley Thompson and David Weddle. Guest Starring: Kevin Rahm as Norvo; Mikael Salazar as Janel; John Paragon as Bokar; Clayton Landey as Fuchida.

Stardate Unknown. Sisko is furious when he learns O'Brien has vanished while on a secret trip to New Sydney, where he was searching for the widow of a criminal named Bilby, whom he befriended while undercover. Because Ezri's family owns a mining operation in the system, Sisko asks her to help find O'Brien. Ezri returns home, where she's reunited with her domineering mother, Yanas Tigan -- a shrewd businesswoman -- and her brothers Norvo and Janel, who work for the business.

Episode 562 first aired February 3, 1999. Directed by LeVar Burton. Written by Ira Steven Behr and Hans Beimler. Guest Starring: Andrew Robinson as Garak; Jeffrey Combs as Brunt; Max Grodenchik as Rom; J. G. Hertzler as Martok; Tiny Ron as Maihar'du; Chase Masterson as Leeta; Wallace Shawn as Zek.

Stardate Unknown. Grand Negus Zek, the ruler of the Ferengi empire and paramour to Quark and Rom's mother, disappears while on a business trip to the Alternate Universe. Ezri's counterpart from that universe delivers word that Zek is a prisoner of the evil Alliance and will be killed unless Quark can secure a cloaking device, which renders a ship invisible. Quark and Rom steal one from a Klingon vessel, then accompany Ezri back to the Alternate Universe to retrieve Zek.

Episode 563 first aired February 10, 1999. Directed by Tony Dow. Written by Robert Hewitt Wolfe. Guest Starring: Art Chudabala as Ilario; Marty Rackham as Chu'lak; Leigh J. McCloskey as Joran.

Stardate Unknown. A young lieutenant named Ilario is found dead in his quarters. An investigation reveals he was shot by a TR-116 rifle, a weapon developed but never mass-produced by Starfleet. Meanwhile, Ezri confronts one of Dax's previous incarnations in a dream: Joran, a self-professed murderer, urges Ezri to channel his disturbing memories and enable him to assist her in apprehending Ilario's killer. When Ezri awakens, she learns that a second murder has occurred.

Stardate Unknown. Odo returns from a conference with an unexpected guest: a Changeling who tracked and boarded his Runabout. Odo recognizes him as one of "the hundred" shapeshifters who were, like himself, sent out as infants into the galaxy to learn about other species. Back at the station, Sisko warily releases the visitor to Odo's custody. The Changeling, known as Laas, queries Odo about their unique species -- with which Laas has made no contact since his infancy -- and "the Link," a Changeling ritual that allows shapeshifters to meld with one another and thereby form a single, sentient collective entity.

Episode 566 first aired February 24, 1999. Directed by Mike Vejar. Written by Ira Steven Behr and Hans Beimler. Guest Starring: James Darren as Vic Fontaine; Penny Johnson as Kasidy Yates; Marc Lawrence as Mr. Zeemo; Mike Starr as Tony Cicci; Robert Miano as Frankie Eyes; Aron Eisenberg as Nog; Bobby Reilly as Countman; Chip Mayer as Guard; James Wellington as Al.

Stardate Unknown. While relaxing in Vic's Las Vegas holosuite lounge, O'Brien and Bashir are surprised by the arrival of mobster Frankie Eyes, who announces that he's bought Vic's hotel. After Frankie fires Vic, the crew learns that Frankie was written into the holosuite program by Vic's designer. Upset by Frankie's treatment of Vic, and by the knowledge that the lounge's atmosphere will now change, the crew decides it must rid the program of Frankie. But to accomplish this task, they realize, he must be eliminated in a way that is period-specific to Fontaine's era: 1962. The task takes on greater urgency when Vic is beaten up.

Episode 565 first aired March 3, 1999. Directed by David Livingston. Written by Ronald D. Moore. Guest Starring: Andrew Robinson as Garak; Adrienne Barbeau as Cretak; John Fleck as Koval; Barry Jenner as Admiral Ross; Hal Landon, Jr. as Neral; William Sadler as Sloan.

Stardate Unknown. On the eve of Dr. Bashir's departure for a conference on the Romulan homeworld, he's visited by Sloan, the director of Section Thirty-one, a secret and unsanctioned extremist entity within Starfleet Intelligence. Sloan asks a reluctant Bashir to gather information on the Romulan leadership. Bashir reports the request to Sisko, who worries that although Starfleet Command has officially condemned Section Thirty-one, someone in its membership may actually be protecting the group. After consulting with Admiral Ross, Sisko advises Bashir to play along with Sloan in order to determine Sloan's motivations.

Title is Latin for "in war, laws will be silent."

Stardate Unknown. As Sisko revels in the purchase of Bajoran land, where he hopes to finally build his dream house, word reaches the station that Worf is missing in action after a fierce battle with the Dominion. Due to strategic concerns, Sisko calls off the search party before Worf can be found. Overcome by memories of Jadzia's life with Worf, Ezri steals a runabout and goes in search of Worf herself.

Sisko orders Ezri to return, but she refuses -- and instead traces a possible route Worf may have taken in his escape pod. That evening, Sisko shows Kasidy a model of his dream home and asks her to marry him. She joyously accepts. Meanwhile, Ezri locates Worf's pod and beams him aboard.

At Dominion headquarters, the rapidly deteriorating Female Shapeshifter makes it clear to Weyoun that she expects him to find a cure for the disease plaguing her people. Aboard the station, Jake is honored when Sisko asks him to be his best man. Traveling in the runabout, Ezri's strained attempts to converse with Worf are interrupted by an attack from the Jem'Hadar. Forced to abandon ship, they beam safely down to a planet in the Goralis system, but neglect to pack the equipment necessary for alerting the station to their location.

Sisko and Kasidy discover that their plans for a simple wedding may go awry because the Bajorans expect the captain, whom they consider their Emissary, to hold a lavish ceremony. Meanwhile, Dukat unexpectedly appears in Damar's quarters on Cardassia to request a favor. After several days stranded alone on Goralis, Worf and Ezri's conflicting emotions culminate in a passionate encounter. Later, they're confronted by two Breen soldiers, who open fire with their phaser rifles, blasting the two -- who fall to the ground unconscious.

Worf and Ezri awake in a cell aboard a Breen ship, unsure of why they've been taken prisoner. In the meantime, Dukat, now surgically altered to look like a Bajoran, plots his next move. Back at the station, Sisko is summoned by the Sarah Prophet, who warns him that he must not marry Kasidy. After Sisko protests, she ominously announces that his greatest trial is about to begin.

Episode 568 first aired April 14 , 1999. Directed by Winrich Kolbe. Written by David Weddle and Bradley Thompson. Guest Starring: Jeffery Combs as Weyoun; Penny Johnson as Kasidy Yates; Marc Alaimo as Gul Dukat; Casey Biggs as Damar; Barry Jenner as Admiral Ross; Deborah Lacey as Sarah; Aron Eisenberg as Nog; James Otis as Solbor; Salome Jens as Female Shapeshifter; Louise Fletcher as Kai Winn.

Stardate Unknown. Kai Winn arrives at the station to "assist" Sisko with his wedding, and he admits the Prophets warned he would face a great trial in his future. Later, Winn has a long-awaited vision from the Prophets, who reveal that a "Guide" will soon visit her; the Prophets hope that, together, the two will lead Bajor's Restoration. Shortly before Sisko tells Kasidy that they must call off their wedding, Dukat, surgically altered to look like a Bajoran, appears on the Promenade.

Devastated by the break-up, Kasidy prepares to leave the station. Winn offers her regrets to Sisko, but happily reveals that the Prophets spoke to her in a vision. Meanwhile, Ezri and Worf are still being held captive by Breen soldiers, who drag Worf out of his cell. Posing as a simple farmer named Anjohl, Dukat calls on Winn, and convinces her that he is the Guide the Prophets promised.

Sisko confides in Kira about why he can't marry Kasidy, and she supports his decision to follow the will of the Prophets. Meanwhile, Weyoun and the Female Shapeshifter, who still suffers from the disease that is killing her people, travel on a Jem'Hadar battleship to a rendezvous point. Worf is returned to his cell after being tortured by Breen interrogators, who take away Ezri.

Kai Winn dines with Dukat, and is pleased when Dukat makes it clear that he doesn't understand why Sisko has been chosen as their Emissary. She's also astonished when Anjohl "reveals" that she had a hand in saving his life during the Cardassian occupation of Bajor; this news only further validates Winn's belief that the two are part of the Prophets' greater plan. Later, Dukat goes to Winn's quarters to report a sign from the Prophets, then they kiss.

Unwilling to lose the woman he loves, Sisko defies the Prophets and again proposes to Kasidy -- who makes him promise he won't change his mind this time. The Sarah Prophet warns Sisko that, should he proceed with the marriage, he will know only sorrow -- but he marries Kasidy in a hasty ceremony anyway. As the Jem'Hadar ship speeds toward its destination, Breen soldiers are transported with Worf and Ezri to the Jem'Hadar bridge. They are shocked when Weyoun announces the birth of an alliance between the Dominion and the Breen.

Episode 569 first aired April 21, 1999. Directed by Rene Auberjonois. Written by Ronald D. Moore. Guest Starring: Penny Johnson as Kasidy Yates; Jeffery Combs as Weyoun; Marc Alaimo as Gul Dukat; Casey Biggs as Damar; J. G. Hertzler as Martok; James Otis as Solbor; Salome Jens as Female Shapeshifter; Louise Fletcher as Kai Winn.

Stardate Unknown. Worf and Ezri are beamed aboard a Jem'Hadar ship, where the Female Shapeshifter and Thot Gor, the respective leaders of the new Dominion-Breen alliance, prepare to sign a treaty designed to destroy the Federation and end the war. However, Damar objects to signing it because of concessions, made to Thot Gor, which could harm Cardassia. Meanwhile, Kai Winn and Dukat seal their bond by pledging to restore Bajor -- even if the Emissary stands in their way.

Kasidy has difficulty adjusting to her new role as the Emissary's wife, and is frustrated when Sisko asks her to preside over a special blessing ceremony. On Cardassia, Ezri and Worf learn that Weyoun and Damar plan to put them to death. Enraged, after being taunted with the possibility that Ezri may harbor feelings for Bashir, Worf kills Weyoun. Back at the station, Winn has a disturbing vision of the evil Pah-wraiths -- the enemies of her people's Prophets.

Already skeptical of the new alliance, Damar is uncomfortable when the new Weyoun clone allows Thot Gor classified access, while elsewhere, Worf and Ezri break out of their cell, but are quickly apprehended. On Deep Space Nine, Kasidy discusses her situation with Kira, and Bashir leads O'Brien to believe he's attracted to Ezri. In Winn's quarters, she angrily orders Dukat to leave after he urges her to turn away from the Prophets and worship the Pah-wraiths.

Eager to prove her loyalty to the Prophets, Winn summons Kira, who advises her to step down. Back on Cardassia, a devastating battle for Cardassian troops leaves Damar feeling betrayed by the alliance. Later, on the eve of their execution, Ezri asks Worf if he loves her, but he evades the question.

To Sisko's delight, Kasidy agrees to preside over the special ceremony. O'Brien gets Bashir to admit he cares for Ezri, while Worf confesses he doesn't love Ezri as he loved Jadzia. Ezri, however, realizes she has feelings for Bashir. But as they're led to the execution chamber, Damar shocks them by arranging an escape route and imploring the two to tell the Federation they have an ally on Cardassia. On the station, the balance of power shifts yet again when Kai Winn, convinced she's been abandoned by the Prophets, tells Dukat she's ready to walk the path of the Pah-wraiths -- and the two villains vow to overcome all foes.

Episode 570 first April 28, 1999. Directed by Michael Vejar. Written by Ira Steven Behr and Hans Beimler. Guest Starring: Jeffery Combs as Weyoun; Penny Johnson as Kasidy Yates; Marc Alaimo as Gul Dukat; Casey Biggs as Damar; J.G. Hertzler as Martok; Aron Eisenberg as Nog; Barry Jenner as Admiral Ross; James Otis as Solbor; John Vickery as Gul Rusot; Salome Jens as Female Shapeshifter; Louise Fletcher as Kai Winn.

Stardate Unknown. The crew's relief at Worf and Ezri's safe return is tempered by reports that the Breen have attacked Starfleet Headquarters on Earth. While Dominion and Breen commanders exult in their sneak attack, their supposed ally -- Cardassian leader Damar -- secretly plots to free his homeland from Dominion occupation. Meanwhile, on Bajor, Dukat tells Kai Winn she must release the Pah-wraiths -- the non-corporeal enemies of her people's gods -- from the planet's fire caves by reading the ancient forbidden text of the Kosst Amojan.

Episode 571 first aired May 9, 1999. Directed by Michael Dorn. Teleplay by Rene Echevarria from a story by Rene Echevarria and Spike Steingasser. Guest Starring: Andrew J. Robinson as Garak; Casey Biggs as Damar; Marc Alaimo as Gul Dukat; J.G. Hertzler as Martok; Barry Jenner as Admiral Ross; Robert O'Reilly as Gowron; John Vickery as Gul Rusot; Scott Burkholder as Hilliard; Louise Fletcher as Kai Winn.

Stardate Unknown. Eager to aid Damar's rebel movement on his homeworld against the Dominion, Sisko orders Kira to put her antipathy for the Cardassian aside and train his staff in resistance tactics. Bashir asks Odo to assist in his medical project by donating the Changeling-equivalent of a skin sample. On Bajor, Kai Winn studies the forbidden text of the Kosst Amojan to learn how to release the evil Pah-wraiths. Hoping to ease Cardassian sentiment against the Bajoran Kira, Sisko gives her a Starfleet commission and uniform.

Stardate Unknown. While Kira reviews tactical plans with the Cardassian Resistance leaders, Odo returns from a mission, weakened by the disease that's ravaging his race. At the station, Bashir works through the night, trying to find a cure for Odo, while Sisko reproves Chancellor Gowron for reckless attacks which left General Martok injured. Back at rebel headquarters, Kira, eager to discover why the Federation's Klingon ships aren't damaged by Breen-Dominion technology, proposes stealing the enemy's weaponry so that the Federation can engineer a countermeasure.

Episode 573 first aired May 19, 1999. Directed by Steve Posey. Written by Bradley Thompson and David Weddle. Guest Starring: Andrew J. Robinson as Garak; William Sadler as Sloan.

Stardate Unknown. When Kira brings a terminally ill Odo back to the station for medical treatment, he orders her to leave him and return to help the Cardassian Resistance. Later, O'Brien and Bashir inform Sisko of their plan to lure a Section Thirty-one operative, who may hold the cure to Odo's disease, to the station. The scheme works when Sloan, the director of the unsanctioned Starfleet extremist organization that infected Odo -- as part of a genocidal plot against his people -- arrives. But when Bashir places a Romulan mind probe on the agent, who refuses to give information regarding a cure, Sloan attempts suicide in the science lab by activating a neuro-depolarizing device in his brain.

Episode 574 first aired May 26, 1999. Directed by Avery Brooks. Written by Rene Echevarria and Ronald D. Moore from a story by Peter Allen Fields. Guest Starring: Penny Johnson as Kasidy Yates; Andrew J. Robinson as Garak; Jeffery Combs as Weyoun; Jeffrey Combs as Brunt; Max Grodenchik as Rom; Casey Biggs as Damar; Barry Jenner as Admiral Ross; Cecily Adams as Ishka; J.G. Hertzler as Martok; Chase Masterson as Leeta; Aron Eisenberg as Nog; Julianna McCarthy as Mila; Tiny Ron as Maihar'du; Salome Jens as Female Shapeshifter; Wallace Shawn as Zek.

Stardate Unknown. While Sisko takes command of a new ship named in honor of the Defiant, Kira, Garak and Damar barely escape a Dominion ambush on Cardassia and are forced into hiding. Quark receives a static-filled message from Grand Nagus Zek, the Ferengi leader, that he's being named Zek's successor. Now cured of the deadly Changeling virus, Odo is outraged to learn that he was infected by Section Thirty-one -- an unsanctioned extremist organization within the Federation -- but promises Sisko he won't take matters into his own hands.

Episode 575 first aired June 2, 1999. Directed by Allan Kroeker. Written by Ira Steven Behr and Hans Beimler. Guest Starring: Rosalind Chao as Keiko; Jeffery Combs as Weyoun; Salome Jens as Female Shapeshifter; Penny Johnson as Kasidy Yates; Andrew J. Robinson as Garak; Casey Biggs as Damar; Marc Alaimo as Gul Dukat; Aron Eisenberg as Nog; J. G. Hertzler as Martok; Barry Jenner as Admiral Ross; Deborah Lacey as Sarah; Julianna McCarthy as Mila; Hana Hatae as Molly; James Darren as Vic Fontaine; Louise Fletcher as Kai Winn.

Stardate Unknown. On the eve of battle, Bashir and Ezri spend the night together. Later, with Sisko in command, the Defiant joins the Federation-Klingon-Romulan fleet as the invasion of Cardassia is launched. On Cardassia Prime, Kira, Damar and Garak discuss Resistance plans to sabotage the Dominion's power and communication centers. On Bajor, Kai Winn asks Dukat to join her when she releases the Pah-wraiths from the Fire Caves, and Dukat vows to destroy Sisko.

This was the two hour series finale.