DS9 s5e1 "Apocalypse Rising"

Starfleet needs the greatest ninja-SEAL infiltration team in the galaxy to go deep behind Klingon lines and expose Gowron - so they send space station manager Sisko, engineer O'Brien, non-changeling Odo and one of the most recognizable Klingons in history to take on the mission! Meanwhile, Dukat Dukats and Gowron Gowrons.
[Episode discussion begins around 1:11:00]