Back to my home page | Back to the DS9 main page | Back to Season 3 | Go to Season 5
Since the destruction of the Obsidian Order, Cardassia is in trouble and has closed her borders. A fleet of Klingon ships arrives at DS9. Their commander, general Martok, tels Sisko that his fleet was sent by Gowron to help the Federation in her struggle with the Dominion. The Klingons cause trouble on the station and beat up the cardassian taylor Garak.
Later DS9 receives a distress call from captain Cassidy, whose freighter just left DS9, that she is being boarded by Klingons who claim to have an order from Gowron to search all ships for changelings, the founders of the Dominion. Sisko takes the Defiant and draws off the Klingons.
Meanwhile, lt.cmdr. Worf has arrived and Sisko briefs him. His tast will be to be a liaison between the Klingons and Starfleet, and to find out why the Klingon troops are on DS9. He discovers that the Klingons found out that the Cardassian Central Command has been overthrown and they suspect the Dominion behind this. Because Klingon and Cardassian space are close they have decided to invade Cardassia and whipe out the new government. Sisko informs them the Federation will not support this action. The Klingon warships cloack and leave DS9.
The Federation has openly disapproved the attack and Gowron has withdrawn the Klingon Empire from the Kithomer agreements. Worf is given the choice: support Gowron or remain in Starfleet. If the clooses the later, Gowron will dishonor Worfs family. He chooses not to support Gowron. Later Sisko contacts Gul Dukat, who is working for the civil government now, who tells them the situation is critical.
Worf wants te leave Starfleet, but Sisko refuses to accept this. He contacts Gul Dukat and offers the civil government asylum on DS9. Together with Worf he leaves with the Defiant to meet with a Cardassian ship carrying the government. When the arrive the ship is under Klingon attack. In the following battle they succeed in beaming the government on board and head back to DS9 with the Klingons in persuit. DS9 is preparing for battle. If Martok contacts DS9 and demands the civil government being transfered to him Sisko tells him that genetic screening proved that none of the members of the government were changelings, but nevertheless, the Klingons attack. Fortunately the station has had a massive upgrade on her defensive systems due to the Dominion threat so they can defend themselves. But when the Klingons partially destroy their shields the station is being boarded and man to man combats start. Just on time, Federation help arrives and the Klingons withdraw, not wanting a victory which would leave the Klingon Empire weak. Gowron however, states they will not forget this.
The Cardassian civil government returns to Cardassia Prime but the Klingons won't withdraw from some Cardassian colonies. Worf wants to leave Starfleet and join the Nyberrite alliance but Sisko convinces him to stay.
Held prisoner by a group of rebel Jem'Hadar, Bashir and O'Brien clash over Bashir's desire to help their captors escape Dominion rule. The Jem'Hadar are being kept deoendant from the Dominion with a drug only the founders can provide. Bashir must choose between helping his Jem'Hadar captors or leaving them to die as O'Brien wants to. Meanwhile, on DS9 Worfs screws up an investigation by Odo.
When a tragic accident causes Sisko to vanish before his son's eyes, young Jake begins a life-long obsession to bring him back.
Kira wents on a personal mission to rescue Bajoran prisoners who are apparently being held captive on a Cardassian ship. She is forced to bring Gul Dukat with her. Kira discovers the real reason he wants to accompany her. He must find his daughter - to kill her.
Jadzia Dax must choose between her feelings and the rules of Trill society when she is reunited with the wife of one of Dax's previous hosts. Trill law forbids them to start a new relationship. Will Dax risk everything to be with her one true love?
While the Defiant tries to rescue a ship from the corona of a red giant star, she is attacked by the Jem'Hadar. This leaves the Defiant trapped in a planet's volatile atmosphere.
A Mishap sends Quark, Rom, and Nog back in time to Earth of 1947 in Roswell, New Mexico, where military forces mistake them for alien invaders.
Kor, a revered Klingon warrior, sets out with Worf and Dax in search of a mythical, ancient artifact they believe has the power to unite the Klingon Empire: the sword of Kahless, which he believes is somewhere in the gamma quadrant. If they leave in a runabout, they are being attacked by Toral, son of Duras, who is also searching for the sword. Its conquests are legendary, but its power could tear apart Worf and Dax.
Posing as a 1960s secret agent in a malfunctioning holosuite program, Bashir is all that stands between his trapped fellow officers and certain death.
When on earth a conference between the federation and the Romulans is disrupted by an attack it becomes clear that Changelings are targeting Earth. Sisko and Odo are being transfered to Earth where Sisko is put in charge of Starfleet Security. Once on Earth he visits together with Jake his father in a restaurant and they met Nog who has a hard time on Starfleet academy.
The seriousness of the situation becomes soon clear when they find out that some of the highest Starfleet officers are replaced by changelings. Sisko decides to declare martial law and prepares for war with the Dominion.
The power on the whole planet is dropped and the Dominion is the main suspect. While Starfleet Security prepares for the confrontation it becomes clear that some troops cannot bve used, and Sisko thinks Starfleet Command is behind this. Sisko reports to the president of the Federation. He is unwilling to believe this untill Odo suddenly appears from an object he changes his mind. Sisko calls in the Defiant, but the USS Lakota gets the order to stop the defiant. Now Sisko has to convince the crew of the Lakota that their orders are given by a changeling, and solve the conspiracy.
Odo's hidden feelings for Kira interfere with his duty to protect the Bajoran First Minister, who also happens to be attracted to her. Will he reveal his feelings for Kira before she falls for someone else?
A demoted Dukat enlists Kira's aid in regaining his former status in the Cardassian Empire. Kira and Dukat join forces to take on a ship of murderous Klingons.
Cast out of Klingon society because of Worf's dishonor, his outcast brother asks Worf to kill him.
Tired of workplace mistreatment at the hands of his brother, Rom organizes all of Quark's employees into a union and goes on strike against the bar.
A legendary Bajoran appears mysteriously after more than 200 years and challenges Sisko's claim to be the Emissary.
The Klingon Empire accuses Worf of wantonly destroying a Klingon ship during a battle.
After an alien race implants false memories of a twenty-year prison sentence into O'Brien's brain, he has trouble readjusting to station life.
Sisko follows his son into a war-torn alternate universe, where an evil Worf rules, after Jake is lured there by the living counterpart of his late mother.
While Odo provides shelter for a pregnant Lwaxana Troi, Jake Sisko falls under the spell of a mysterious woman.
Sisko is shocked to learn that his girlfriend, Kasidy Yates, may be a Maquis smuggler.
Attempting to stop a group of Jem'Hadar renegades from gaining power, Sisko and the Defiant crew must join forces with deadly Jem'Hadar soldiers.
Bashir tries to save a Gamma Quadrant society afflicted with an incurable, terminal disease by the Jem'Hadar.
Rom returns when Quark thinks he's dying. Misdiagnosed with a terminal disease, Quark sells his body parts on the Ferengi market to pay off his debts, then finds himself unable to break the contract.
Odo is forced to return to the homeworld of his people and face judgment for killing one of his own.
Back to my home page | Back to the DS9 main page | Back to Season 3 | Go to Season 5