Stargate SG-1 - Season 2 Episode 11 -

When Teal'c makes Sam Carter realize how valuable the knowledge left by Tok'ra Jolinar in her brain and the chance for an alliance can be, they convince general Hammond to let SG-1 attempt a meeting. They arrive on a planet which is deserted on the surface, but are awaited by well-camouflaged, armed Tok'ra who bring them to tunnels which they create by means of a mysterious crystal, which can also undo them afterward. Both parties are quiet suspicious, the team feels like captives, and indeed the Tok'ra leader Yosuuf fears they cannot be released at least until the ...