Irresponsible

S3 E13: Sheppard (Joe Flanigan) and his team hear of a great warrior with stories of defeating both the Genii and the wraith and decide to seek him out in hopes of making a powerful new ally. But when they learn this great warrior is none other than Lucius (Richard Kind) they believe he's up to his old tricks again. Claiming he is in fact now invincible his demonstration of his power reveals he's actually found one of the Ancient's personal shields. Ready to leave him about his ways the team is ambushed by angry raiders and must rely on the invincible Lucius to save them. Sheppard not willing to believe all is as it seems follows Lucius to learn he is actually in cohorts with the raiders. Deciding to blow the whistle on Lucius' scam the danger suddenly becomes all too real when Kolya (Robert Davi) shows up demanding the Atlantis team be handed over to him. With Lucius used as bait the whole team except Sheppard is taken prisoner. With no way of reaching Atlantis for re-enforcement it's up to Sheppard to save the team before Kolya begins his promised executions.