The third STAR TREK series concerns Benjamin Sisko, commander of the starship Deep Space Nine, who discovers the first known stable wormhole - a virtual shortcut through space that leads to the Alpha Quadrant to the Gamma Quadrant on the other side of the galaxy. The Gamma Quadrant is governed by the Dominion, a group led by the Changelings - an group of shapeshifters which counts DS9 crew member Odo (Rene Auberjonois) among its numbers. The Dominion has become a violent force in the galaxy, and the Deep Space Nine and its crew has become the only home in upholding the way of life established by the Federation.

Episode Listing:
The Way of the Warrior Part 1 & 2
The Visitor
Hippocratic Oath
Indiscretion
Rejoined
Starship Down
Little Green Men
The Sword of Kahless
Our Man Bashir
Homefront
Paradise Lost
Crossfire
Return to Grace
Sons of Mogh
Bar Association
Accession
Rules of Engagement
Hard Time
Shattered Mirror
The Muse
For the Cause
To the Death
The Quickening
Body Parts
Broken Link