That trope is the Cardassian monologue, and it all started with the excellent Deep Space Nine episode "Duet." "Duet" is the episode where Major Kira must investigate a potential Cardassian war ...

Jeffrey Combs is a man of many talents, but perhaps his greatest of all was giving us his star turn as Deep Space Nine's clone confidant.

Premiering in 1993 and clocking up 173 episodes over seven years, DS9 broke new boundaries for the Star Trek franchise. Set aboard a former Cardassian space station rather than a Starfleet vessel ...