Farscape (1999)

S1E15 Durka Returns

A malfunction during a Starburst causes Moya to crash into a Nebari vessel. Among the crew is Durka, Rygel's old torturer, who has been subjected to mind cleansing and now works for the Nebari. Chiana, a captivating young rebel, is on the path to a similar fate. Fueled by a desire for revenge, Rygel decides to confront Durka, ultimately reversing the cleansing process and bringing back Durka’s former, cruel self.