Stargate SG-1: Season 2, Episode 12

2 - 12: The Tok'ra (Part Two)

The Tok'ra turns down a request for an alliance against the Goa'uld because Earth doesn't offer enough rewards to justify the security breach. Selmak, a Tok'ra whose host is dying, requests a human host. Carter suggests her father, Jacob Carter, who is dying of cancer.