Fearing he's wasting his time on Penny, Leonard ends up making a connection with Leslie.
Two men are invading homes, and Riley and Granddad are refusing to speak to the police. It gets worse when Granddad's car, Dorothy, gets stolen by the robbers. If Riley and Granddad still refuse, worse things may be in store.
Chris has to reluctantly train the family's new dog into a security dog after their house is robbed, but he just wants a pet. Meanwhile, Tonya and Drew are bored without a television, so they find other means to keep themselves entertained - including making prank phone calls.
Lauren goes out with one of the male models from a photo shoot, leaving Brody to question everything that has developed in the past weeks.
A Carcaroth has arrived on Earth, seeking soldiers to help fight his endless intergalactic war back home. Using Combat 3000 to sift out the best, most aggressive and instinctive fighters, he then transports them to his spaceship – awaiting transfer to the war. Clyde (David Anthony) and Luke (Tommy Knight) find themselves amongst the 'warriors', while Sarah Jane (Elisabeth Sladen) and Maria (Yasmine Paige) must infiltrate the alien's headquarters to bring down the Carcaroth from the inside.
High Stakes Poker action continues with Eli Elezra, Daniel Negreanu, Phil Hellmuth, Jennifer Harman, Brandon Adams, Sammy Farha, Jamie Gold, and Phil Galfond playing $300/$600 No-Limit Hold'em.
Hank tries to freak out the people of Dog River but the result of his prank is a crop circle he didn’t create. Davis is intrigued by this possible visit by aliens but only Karen knows the whole story. The Leroy home gets a paint job driving Oscar out of the house and causing Emma to question her sanity. An accidental wardrobe change by Brent piques Lacey’s interest. And Wanda takes it upon herself to play matchmaker for Lacey.
A woman named Elle is searching for Peter. Ando looks for Hiro in the past. Matt looks for the man in Molly's dreams. HRG takes another step in hopes of protecting his family and himself.
As an excited Portwenn digests the news that Martin and Louisa are engaged, it's business as usual for the doctor. Beth Sawle's knee wound is not responding to the treatment he's prescribed, and when Martin visits the remote cottage where she lives with her strange sister Janet, he makes a disturbing discovery. Meanwhile, Bert's restaurant is in financial trouble, prompting son Al to take decisive action.
Five teenagers must locate and secure ancient relics with unbelievable power, while at the same time stop a demonic corporation who want the relics for their power.
Lou sends an uncured horse back to its owner, which causes friction with Amy. Ty builds Amy a jumping ring and Jack decides to keep Ty on at Heartland.
Edie is shocked when she receives some news at the gynecologist's office. At the baby shower Bree's friends throw her, Bree's ex-mother-in-law Phyllis discovers her pregnancy is a hoax. Finally, Wisteria Lane welcomes to the street a homosexual couple.
Rita's estranged mother visits and senses something is wrong with Dexter. Masuka thinks he's developed a lead in the Bay Harbor Butcher case, which has Dexter concerned. Angel's interrogation of a witness crosses a line.
Rose causes problems between Tommy and Michael. Michael messes up Tommy's real estate deal. Freddie asks Declan for some help. Tommy and Dana get closer.
Katie and Dave find themselves home alone. Carolyn Palek find a buyer for the house. Hugo returns to Jamie and she must decide between him and Nick.
A commuter train crash initiates an emergency caesarian operation on a pregnamt woman, unfortunately the baby is transported to ashfordly General, and fate claims the life of the premature infant, making Jill more determined than ever to support Carnegie's plans for a preemy baby unit at the hospital. Meanwhile, local farmer Sam Benson (guest star Jack Deam) causes concern with his erratic behaviour, and Stella's rapist requires life-saving surgery after being attacked by the father of another victim.
The team re-opens the 1989 case of an unidentified Jane Doe when she dies in the hospital, after being comatose since the day she was shot 18 year ago.
Rebecca's suspicions arise after Justin makes an almost miraculous recovery. Kevin pushes Saul to the edge to get some answers. Nora, Sarah and Kitty decide to go to a spa. Tommy tries to make friends but ends up in an embarrassing situation.
Logan's father sends him a package from Japan, complete with a new Japanese cell phone and a horror movie. When Dustin watches the horror movie, he becomes so frightened that he has to start sleeping in Zoey's dorm room. Meanwhile, someone is pulling the fire alarm in the boys' dorm room and the boys set out to find the culprit. All the while, Michael does his best to coin a new phrase... "Drippin'."