Tim is worried when Jason talks about leaving Dillon. Money troubles cause a riff between Tami and Eric. Tyra leans on Cash when things get tough, while Julie talks to her dad about Matt's idea.
A strange delivery in a box arrives at a Navy facility. The delivery driver and a Navy MP officer discover it is a sailor's corpse.
Stabler goes undercover to infiltrate a rare animal smuggling operation.
Yvette Fielding and the Most Haunted team are in Bolton investigating a building that boasts myriad tales of multiple haunting – including the ghost of Mary, assumed to be the wife of Samuel Crompton (inventor of the Spinning Mule & a former tenant). Visitors report sightings of a peculiar white mist, a grey lady, strange lights, the sound of footsteps and slamming of doors. Children are said to be particularly sensitive to the spirit of a woman named Betty, who apparently shouts at them to leave! With so much unexplained activity what would the Most Haunted investigation of The Hall I’ Th’ Wood bring to light?
Eli and Jordan take on a case to force the government to allow clinical trials of marijuana to cure MS. However, the billionaire philanthropist who backs them soon realizes that his own soon, suffering from MS, doesn't wish to participate. Meanwhile, Maggie and Matt try to determine who the mole is within the new firm that is luring clients to Posner/Kline.
It is nearly Christmas in Pontypandy and Norman is keen to have the best Christmas decorations, which leads to Dilys putting too many into one plug socket, leading to a fire.
Mike visits a Chicken Farm to see how eggs make it to the store. There, he finds out that 1.4 million chickens equal a lot of poo, which he gets the chance to clean. Later, Mike learns how dirty dirt becomes clean dirt as he sterilizes soil in Oklahoma.
Some of the world's leading physicists believe they have found startling new evidence showing the existence of universes other than our own. One possibility is that the universe is so vast that an exact replica of our Solar System, our planet and ourselves exists many times over. These Doppelganger Universes exist within our own Universe; in what scientist now call "The Multiverse."
Walter thinks the abduction of a young music prodigy is linked back to his old bunkmate at St. Claire's Hospital. When he kidnaps the child he sees a sequence of flashing lights. Olivia wants Walter to return to the mental institution much to Peter's outcry, but Walter's determination to help ends up having chilling ramifications.
While Foreman takes on a pediatric case on his own, the rest of the team deals with a 16-year-old factory manager and emancipated minor who collapses at work. When Foreman's patient takes a turn for the worse, he's forced to question whether he can deal with the situation on his own, or if he needs House's help.
Patrick Jane goes head-to-head with a "psychic" he suspects of murder. Intent on proving the so-called psychic is a fraud -- as well as a killer -- Jane arranges a séance to expose the murderer.
Olivia joins forces with the Strike Team to catch a Mexican drug king and his shipment. Meanwhile, Dutch cleans up Billings' mess, and the death of a woman associated with the Strike Team prompts an investigation by Claudette.
The team searches for a paraplegic who had been injured two years earlier in a car accident and is now missing. Their investigation shocks them when they discover the truth in what may have caused his disappearance.
Brenda and Kelly's friendship takes a turn for the worse. Meanwhile, Sean moves in with the Wilson family, Naomi hangs with a new crowd, and Silver becomes jealous when a cheerleader pays a little too much attention to Dixon
It's Easter and the lack of happiness in Moralton leads several troubled souls to Forghetty's Pub for some unavailable solace.
Nathan learns of his father's plans, while Flint and Knox launch attacks on Hiro, Ando, Peter, and Claire. Meanwhile, Matt tries to revive Angela, Sylar meets with Elle, and Mohinder begins testing of his newest superpower formula.
Three homemade bombs claimed two lives in Salt Lake City and injured a third. Document examiners were the forensic experts who uncovered the motive and exposed Mark Hofmann as the guilty party.
Sam thinks it's all right for Todd to be in her life as a friend while dating Owen, but doesn't like the idea of Owen's ex, Willow, being Owen's best friend. Meanwhile, Andrea gets Dena to take pictures of her in hopes of landing a professional basketball player.
A teenage boy accidentally stumbles upon a government conspiracy and is instantly absorbed into the world of MI5, ending up on the run. Lucas and the team battle to protect the boy from those who wish to silence him. Harry receives a cryptic message from his asset in Russia which could be the key to bringing down the high-level MI5 mole.
When Karen forgets to pay for a muffin, she finds out what it's like to be on the wrong side of the law; Hank changes his email password, forcing Wanda to try to get inside his head in order to figure out what the new password is; Brent takes to the kitchen to prove that he can cook dinner as well as eat it.