Star Trek: Deep Space Nine - Season 3 Official

A massive game-changer occurred when Odo discovered his people, the Changelings, were the "Founders" leading the Dominion. This made the galactic conflict deeply personal for Odo.

To bolster the station's defenses and enable missions into the Gamma Quadrant, Starfleet delivered the USS Defiant in the season premiere, "The Search". Star Trek: Deep Space Nine - Season 3

In the two-parter "Improbable Cause" and "The Die is Cast," the Cardassian Obsidian Order and Romulan Tal Shiar launched a failed preemptive strike against the Founders, leading to the virtual destruction of both intelligence agencies. A massive game-changer occurred when Odo discovered his