Star Trek: Deep Space Nine - Season 3

Near the liberated planet of Bajor, the Federation space station Deep Space Nine stands watch over a stable wormhole leading to the far side of the galaxy. In Season 3, the arrival of the powerful USS Defiant changes the station’s role, giving its crew a way to explore the Gamma Quadrant while confronting the growing threat of the Dominion, a ruthless empire ruled by the shape-shifting Founders.