Maria and Luke start their new school where they pal up with another boy, Clyde. However, two of the teachers and the class genius turn out to be Slitheens in human form. They are shapeless smelly invaders from another planet whose aim is to destroy the Earth by turning off the Sun with the aid of a machine which Luke inadvertently helps them to start. The three teenagers are chased around the school by the Slitheen family.
Sammy Farha adds fuel to the fire on this episode of High Stakes Poker as Eli Elezra, Phil Hellmuth, Jennifer Harman, Mike Baxter, Bob Safai, Jamie Gold, and Daniel Negreanu continue to battle on High Stakes Poker.
Hank is disturbed by Becca's negative reaction towards the concept of happy endings, even more so when he finds out that it is partially his fault. Marcy comes up with the idea of a threesome with Charlie and Dani, but it ends unexpectedly.
Jeff's snoring has gotten out of hands. Audrey, who isn't able to sleep anymore, decides that she and Jeff should sleep in separate bedrooms. While this could seems like a bad situation for some, other like Jeff see the good side of it. Jeff takes advantage of his new found freedom by staying up too late and living like a college student.
Jake is getting ready to start a new school as he graduates to Junior High. Alan and Charlie take him school shopping and find themselves in trouble.
When the team is investigating the murder of a probation officer and a hostage situation, Horatio learns that the main suspect could be his son.
Elmo imagines himself with a pet dinosaur and sings a song about all the fun things they would do.
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'.
Oscar's complaints about the lack of Dog River-oriented cable programming bring results, and Brent is chosen to select one show created and filmed in town. Brent takes advantage of the bribes he's getting while thinking about the shows. Wanda, Lacey and Emma can't agree on what type of show they want, while Hank finds himself the unsuspecting suspect in Davis and Karen's police show.
Four months after the events of the showdown between Sylar and Peter, new Heroes emerge. These include brother and sister Alejandro and Maya. Hiro remains in the past, but what will come of this? Someone dies and someone isn't dead. Claire and her father and the rest of their family get a new life.
Martin suspects Louisa may have anaemia. Aunt Joan is forced to receive treatment from Martin after nearly running someone over. The Doc is approached by Alison Lane, who worries about her daughter Delph's behaviour.
Carolyn and Palek's families find out about their fertility problems, after Carolyn talks about it at a party; Katie and Dave come up on another wedding anniversary, and Isabella helps picking a present out; Mason tries to help Jamie get over Hugo; May is forced to face her past by Arthur.
Recovered from the shooting, Lilly wants to convince her boss that she's ready to get back to work. The team re-opens the 1994 case of three 10-year-old kids who were beaten to death when Lilly suspects the teens convicted of the killings may have been wrongfully incarcerated.
Peter retells the story of Star Wars in this hour-long episode of Family Guy. When Princess Leia is captured by the evil Darth Vader the droids C-3PO and R2-D2 escape to the planet Tatooine to find help from the Rebel Alliance. There they encounter Luke Skywalker, Han Solo, Chewbacca and Obi-Wan Kenobi who infiltrate the Death Star then rescue the captive princess from the Death Star and return to aid the Rebellion in its fight against the Galactic Empire.
Zoey's dad signs a permission slip, allowing Zoey to go off campus to meet her favorite author. She asks Coco and Coco says she'll do it, but she has to do a favor for her. After this, it becomes a chain of favors. But can Zoey do it on time before it's too late? After Quinn admits to losing her "Quindows QP" a chain of events happen which lead to everything going wrong. Can Zoey still meet her favorite author?