The X-Files (1993)

S2E17 End Game (2)

Title: End Game (2) Plot: An alien bounty hunter captures Scully, intending to exchange her for Mulder's sister, who turns out to be a clone. When the exchange takes a disastrous turn and Mulder learns the shocking truth about Samantha, he follows the bounty hunter to his hidden ship in the icy Arctic. Fueled by desperation, Mulder confronts the alien, demanding to know the location of his true sister.