Brilliant physicist roommates Leonard and Sheldon meet their new neighbor Penny, who begins showing them that as much as they know about science, they know little about actual living.
With U-Turn's timely demise Nancy and Conrad check the status on their debts and then they check in with each other. Someone is pregnant and they are keeping it. Doug continues to try to sabotage Celia and Celia continues to sabotage Nancy. Nancy celebrates something. Silas begins spending more time with Tara.
Michael and Mahone try to lure Whistler out of his hiding place. T-Bag gains some upward momentum in the prison hierarchy as the water supply is running low. Lincoln meets familiar and not so familiar faces on his quest to free Michael.
Chuck Bartowski is an average computer geek until files of government secrets are downloaded into his brain. He is soon scouted by the CIA and NSA to act in place of their computer.
Robin shows up with a date and this motivates Ted to 'get back out there'. We also learn something major about 'the Mother'.
After Homer saves Mr. Burns' life he is rewarded with a trip in Mr. Burns' private plane. A depressed Homer realizes he will never again receive a chance to fly in a luxurious private jet and Marge hires Homer a life coach to help get him out of his rut.
Dethklok has withdrawn from the public eye, and fan suicide rates are climbing. The US government hatches a plan to bring the band out of hiding and restore world order.
Mason tries to distract Jamie from her obsession with Hugo; Dave and Katie awkwardly celebrate another anniversary; Palek and Carolyn's private frustration becomes public knowledge.
The fifth season begins with Lilly returning to work just weeks after being shot. She reopens a 1994 triple-murder case in which three boys were beaten to death. Two teens were convicted of the crimes but Lilly suspects they may have been innocent.
With the Griffins stuck at home during a blackout, Peter tells the story of Star Wars Episode IV: A New Hope.
Zoey is heading out of campus to meet J.T. Hawthorne, but when her supposed driver is about to have a baby, she asks Coco to drive her instead. However, things get complicated when Coco needs a favor from Michael, who again needs a favor from Stacey, who again needs a favor from Logan, who again needs a favor from Dustin, who again needs a favor from Lola, who again needs a favor from Chase, who again needs a favor from Zoey and Lola, who again need a favor from the nerd group, who again need a favor from Quinn, making a complete favor chain, where all threads has to ...
Hank and the guys take Bobby to to a Texas/Nebraska college football game. During the game, they help themselves to an empty luxury suite, which puts them in a precarious situation at the end of the ball game.
Sharon meets her long lost half sister. Kel points out something in a photograph regarding Kath's grandmother.
Marty Funkhouser is outraged when flowers from his mother's memorial are stolen Larry complains about sample abusers in stores Jeff and Susie find knowing Larry to be a liability when trying to get Sammy into an exclusive private school.
After Jake, Carly's crush, agrees to sing a song on the webcast, Carly gets extremely excited. But, it is soon discovered that Jake is a terrible singer, so Carly asks Freddie to digitally enhance Jake's performance.
After several attacks from Iron Man armors, the Fantastic Four track down Tony Stark. It turns out Doom was behind the attacks, and now the Four have to face both Iron Doom and Iron Man under Doom's control.
The Tennysons find themselves facing off against a group of highway pirates who have hijacked the Rustbucket.
A 41st century Superman clone travels to the Legion's time, as he needs the group's help against the intergalactic menace of Imperiex.