Farscape S03E20 - Into the Lion's Den Part I: Lambs to the Slaughter

Crichton and the rest of Moya's crew arrive at the Command Carrier to try and put an end to Scorpius' mad obsession with wormhole research. Slowly Crichton gains Scorpius' trust, but when a Peacekeeper commandant arrives at the Carrier and tells Scorpius that he must put an end to his wormhole research, Scorpius shows Crichton something which he has been searching for over the past three years... Earth.