The finalists find out who is safe and who could be sent home on the American Idol Results Show.

Ella and Rosie land jobs at the mall boutique as a means of seeking their independence and financial strength. Meanwhile, Curtis and Carlos become closer with all this new found man-time together, until they start missing their wives.

Curtis may need to be careful after Ella meets a handsome and charming man at the mall. Meanwhile, Diego asks for Calvin and Miranda's help in scrutinizing Mercedes newest man.

Medieval catapult, rockets, and stick fighting.

The tropical seaside wedding goes ahead as the Janitor and Lady tie the knot, which makes the other couples think about their relationships as well.

TAPS heads over to Atlanta, Georgia at the Pemberton Place to investigate claims of paranormal activities at a local aquarium. The Georgia Aquarium is the home of a large exhibit of rare RMS Titanic artifacts that have been linked to paranormal activities in the aquarium.

A body is discovered at a recycling center, compacted into a stack of cardboard, and the Jeffersonian team is called in to investigate.

Suspicions about a possible breach intensify after Ben is taken from the infirmary, and a reluctant Miles is forced to work with Hurley when he's asked to deliver an important package to a top Dharma official.

The Team heads back to Alaska for more Alaskan Themed Myths!

Linda is given some experimental drugs that has some unusual side effects.

Ciara stops by the models apartment as a surprise and will be joining them for a photo shoot. Tara reveals the site of the overseas location during panel.

The team will have to change how the case is classified after the body goes missing.

It's Pinewood Derby time in South Park, while working on the Derby car, Randy has come up with a plan for Stan to win first place.

The guys move into the house officially. Meanwhile, the final open spots in Team USA are decided.

A family of criminals has the detectives running all over the city until Walsh and Shraeger discover their motives and negotiate a stop to all the crime. Brown has Shraeger investigate Walsh's past because her former partner turned out to be a dirty cop. Meanwhile, Cole's former partner in crime returns, making it even more difficult for Cole to continue to hide his criminal past.

Dangle and Williams must drive around a murderer who promises to show them where the body of his victim is, but he ends up asking for ridiculous demands.

Guests: The Chair on the Congressional Oversight Panel on TARP Elizabeth Warren

Tonight Stephen welcomes the anchor of PBS' NewsHour and author of Oh, Jonny, Jim Lehrer.

Will tries to throw a dinner party on his birthday that clashes with a "sex" party that his friends haven't been invited to. Both parties are attended with the usual results. Meanwhile, Neil explains a strange use for Lego...

Tonight Graham is joined by actress Gillian Anderson and comedian Chris Addison. Gillian discusses starring in The X Files and her transition into acting in the theatre, whilst Chris talks about his new movie which is a spin-off of BBC sitcom The Thick Of It. Graham looks at a robot version of himself. Audience members make political apologies. Sinead O'Connor sings out the show with her classic song 'Nothing Compares To You'.