Nadia approves an interrogation technique that might prove fatal to Audrey. Doyle covertly aids Jack in the hopes that he can save her from further mental trauma.Daniels discovers that he may have a leak in his administration when he is confronted by the angry Russian president.Chloe and Morris’s relationship hits the rocks, while Heller delivers Jack a stern warning.
The team finds Lucius Lavin manipulating the people of another hapless planet, using Ancient technology to pose as an invincible hero.
An experiment gone wrong pulls Samantha Carter into a parallel reality, where she must save Earth from an Ori assault before she will be allowed to return home.
Earl tries to apply for a credit card but is declined because he doesn’t have a job or a proper place to live, so he goes back to school to receive a diploma, where he realizes how hard it is for teachers to put up with badly behaved kids – just like the one he used to be.
The hostility mounts between the citizens of Jericho and New Bern. A handful of residents of New Bern are shot and injured after getting caught trying to steal from the Jericho salt mine.
Sylar and Peter face off. Linderman reveals his plans to Nathan, and enlists the aid of another Hero. Claire finally meets her real father, and Bennet, Matt and Ted attempt to escape from Thompson.
Jack sets up a meeting with Cheng, while Doyle tries to track him with CTU’s help.Buchanan’s career is placed in jeopardy when Karen is forced to make a damning choice to save the administration.Daniels seeks comfort from his assistant as he assumes the presidency.
The inhabitants of Atlantis begin to suffer ill effects when the planet’s whale population begins migrating to the island city, bringing an unexpected harbinger of doom.
SG-1 tries to defend a planet from the Ori by hiding its people in another dimension. Vala attempts to convince her husband Tomin of the Ori’s true motives.
After Richard Chubby dies, Little Chubby comes to town to take over the family business. While Earl tries to cross an item off his list he learns the true meaning of sacrifice.