Stargate SG-1

The Tok'ra - Part 2: Samantha Carter's father, facing certain death due to cancer, agrees to become a host for one of the Tok'ra - the sworn enemies of the Goa'uld System Lords. (S2, ep 12)

Point Of No Return: Colonel O'Neill meets a strange man who inexplicably possesses intimate knowledge of the Stargate programme. (S4, ep 11)

Entity: The SGC finds its computer systems under the control of a mysterious force, which then completely takes over Carter's head. (S4, ep 20)

Point Of No Return: Colonel O'Neill meets a strange man who inexplicably possesses intimate knowledge of the Stargate programme. (S4, ep 11)

Spirits: Plans by Stargate Command and the NID to mine a planet populated by Coast Salish Indians run into trouble due to the mysterious spirits who protect the planet. (S2, ep 13)

Tangent: A test flight of a recovered Goa'uld death glider goes awry, sending Teal'c and O'Neill hurtling into space. (S4, ep 12)

Double Jeopardy: In an episode that marks the directorial debut of Michael Shanks, problems arise for SG-1 when an old acquaintance comes looking for help. (S4, ep 21)

Tangent: A test flight of a recovered Goa'uld death glider goes awry, sending Teal'c and O'Neill hurtling into space. (S4, ep 12)

Touchstone: While attempting to return a stolen weather device to the planet of Madrona, O'Neill and the SG-1 team uncover a government agenda that has sinister implications. (S2, ep 14)

The Curse: After the death of his mentor, Daniel Jackson is reunited with a friend and a foe from his past. (S4, ep 13)

Exodus: The Tok'ra reunite with SG-1 when the team steals a Goa'uld mother ship. (S4, ep 22)

The Curse: After the death of his mentor, Daniel Jackson is reunited with a friend and a foe from his past. (S4, ep 13)