The team goes to New York to protect a foreign dignitary at the United Nations building. A bomb is discovered and they must diffuse it. Molly and Tiffy travel to Vietnam to attend a War Memorial Service. A mother of a POW asks them to look for her missing son.On the home front, Mack rejects Crystal's advances and she threatens to tell Tiffy.
It's Valentine's Day, and Cuddy has a blind date. Meanwhile, House leaves ER duty to take the case of a child patient named Hannah.
A competition is created in LazyTown where whoever wins gets a ticket to Sportacus' airship, but Robbie steals the ticket and attempts to let the air out of the ship.
Carl wants his family back together and that means getting rid of Norma - for good. Unfortunately, things don't go to plan when Norma proves to be a very tough adversary. Frank agrees to work on Shane's ice cream van - the Maguires use it as a cover for dealing and Frank's got E's on tap! However, there's trouble brewing.
Tyler has visions of someone disrupting his life support system in 2006, and encounters who he thinks is the same assailant in 1973, running a gambling syndicate and protection racket. Recognising the man as a killer he failed to stop in the future, Tyler is prepared to go to any lengths to make sure his life is not threatened and the man doesn't kill his original victim.
Spencer refuses to let go of Heidi. Meanwhile Lauren and Whitney are on the spot, because "super-intern" arrives at Teen Vogue.
John and Denise Bruno have their hands full with their four girls. Dad's got issues with the two teenagers, Mariah (15) and Taylor (13), while Mom's fed up with the two youngest, Bella (6) and Sam (4). Mariah was born with fairly severe cerebral palsy and gets daily physical therapy from Mom, but she has no physical contact with Dad, as he no longer helps her out with her therapy. Mariah craves her dad's affection. John, a very traditional dad, doesn't approve of teen Taylor's punk-goth style and strong-will; they are constantly butting heads. The most difficult part of the day for Denise is when she's trying to do therapy with Mariah and the little ones interrupt and distract them. The girls' tantrums and demands have driven Denise to the end of her rope. Jo's faced with the challenge of saving Dad's relationships with the two oldest girls, especially Taylor, before they're too far gone, and getting Denise to demand respect from the little ones and keep them from interfering with her therapy time with Mariah.
When it's time to plan a party for Jeff's birthday, everyone gets involved. But Audrey is spending a little too much time on planning the party, which makes Jeff unhappy. Alhough Jeff won't reveal what he usually gets in the annual birthday deal, Adam brings up the subject with Jennifer and is then worried when Jennifer not only agrees to give him a birthday deal, but announces she wants to get one in return. Meanwhile, Russell is obsessed with trying to figure out what Jeff's birthday present really is.
Horatio has Eric rushed to the hospital and watches as the doctors try to revive him. The rest of the CSI team finds evidence that may lead them to Cruz.
While Eddie and Jen are walking around the neighborhood, they discover an abandoned baby in a dumpster, and become consume in finding the parents. Lizzie's first crush is one of Tay's friends. Eddie also has trouble dealing with Cassie's feelings for Charles.
Maya and Darnell meet a man they suspect is abusing his wife. Joan finds out Aaron does not believe in celebrating Valentine’s Day.
Rose is moving to London, and Charlie is surprised by his reaction to the news. Alan lies to a woman he met online.
The murder of a Police Commander and his wife puts Walker, Connor and the team under pressure to get a quick result. Jewelery has been stolen from the house, which would indicate a burglary gone wrong, but several relatives profit from their deaths and so they focus the investigation on the family. Connor is suspicious of the identical twin sons in particular and suspects that they may have worked together in order to get away with patricide.
Matt takes a stroll down memory lane and recalls how he met Harriet.
Harry loses his cool with 3 swimmers that he's forced to rescue just seconds after warning them not to swim in a dangerous area. However, calling them "imbeciles" and "idiots" puts him in hot water.
Karen and Lacey move their friendship up a notch by no longer asking when they borrow things from each other; Oscar, Emma and Wanda decide that Brent needs to expand his horizons, movie-wise, so they prepare to show him his first horror flick; Hank decides that he needs to have the contents of his truck with him at all times, and comes up with a novel solution.
Gillian moves into the bunkhouse with Matt; Kris feels she and Wildfire are slowly losing their importance at Raintree.
The kids decide to create a circus in LazyTown. Robbie quickly formulates a scheme to blast Sportacus out of a cannon and out of LazyTown.