Star Trek: Deep Space Nine (1993)

S6E16 Change of Heart

Stardate: 51597.2. Worf and Jadzia head into the badlands to extract intelligence about the Dominion from a treacherous Cardassian. Meanwhile, Bashir is eager to dive into a holo-suite spy simulation, but O'Brien would rather refine his tongo skills after witnessing Jadzia's defeat at the hands of Quark.