Star Trek: Deep Space Nine (1993)

S06E17 Wrongs Darker Than Death or Night

Stardate: Unknown. Following unsettling revelations from Gul Dukat, Major Kira approaches Sisko for his approval as the Emissary to journey back in time and uncover the truth about her mother. At the same time, Chief O'Brien and Dr. Bashir engage in a conversation about a holosuite program that focuses on the Battle of the Alamo.