After building a historic Bajoral sailing ship by hand, Sisko takes Jake on a trip to study the likelihood of a long-held belief.
3-19: Through The Looking Glass
Sisko is forced to persuade the alternative-universe version of his wife to join the Terran Rebels to save her life.
3-02: The Search, Part II
While Odo and Kira learn more about The Founders, Sisko and crew are concerned about sweeping changes back home.
Jadzia meets the previous Dax hosts through the Trill zhian'tara ceremony, while Nog tries to enter Starfleet Academy.