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.
5-14: In Purgatory’s Shadow
Garak, Worf, and Bashir search for Enabran Train after intercepting a distress call from the notorious Cardassian. Meanwhile, Dukat visits Ziyal on DS9.
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.