5-01: Apocalypse Rising
When Gowron is believed to be a Changeling, Sisko, Odo, Miles, and Worf go undercover to expose the truth.
5-20: Ferengi Love Songs
Quark and Rom discover that their mother, Ishka, is Grand Nagus Zek's lover. Liquidator Brunt and Quark conive to end the relationship.
5-23: Blaze of Glory
When the Maquis reportedly plan a massive attack, Sisko enlists the help of their captured former leader, ex-DS9 crewman Michael Eddington.
5-06: Trials and Tribble-ations
To prevent an assassination of Captain James T. Kirk, Sisko and crew travel back in time to the Tribble-incident of the original Enterprise.