Now that Derek has the engagement ring, he searches for the perfect way to propose to Meredith, as Lexie demands that Mark go public with their relationship, and Bailey, encouraged by her work on recent cases and by Dr. Dixon, considers a new direction for her medical career.

When Randy loses his winning lottery ticket, he assumes the event to be a message from Karma, so he starts a list of his own. Meanwhile, Joy is not happy with her cover identity of the witness protection program.

An explosion wipes out the LuthorCorp board of directors and narrowly misses Oliver. Clark and Lana track the explosive to Winslow Schott, a toymaker with a grudge against Oliver.

Betty comes up with a solution to deal with her personal problems but she has her sexy neighbour Jesse who keeps her distracted from her goals. Daniel does his best to cover his tracks as Connor is adament on unveiling Molly's admirer.

Kath and Kim enter a competition in which they would get to host a meal for Wynonna Judd. To be in with a chance of winning, they must undergo an interview in which they try their best to be chosen. Elsewhere, Craig and Derrick attempt to write a country style song in the hope it will be a big hit.

Booth is kidnapped by the Grave Digger and the Jeffersonian team must find and save him before it's too late. Meanwhile, when evidence from the Grave Digger's case goes missing, Brennan and Hodgins are suspected of taking it.

Since Scranton has been so successful, Michael gets sent around to the other branches to explain how. Meanwhile, Dwight and Jim, the new heads of the party planning committee, forget a birthday and have to deal with the fallout. After the end of his engagement, Andy falls for someone new.

In a small town in Iowa, three loving husbands kill their wives. Turns out these guys believe in spreading their love around: Each is spending plenty of the family income on strippers at a nearby nudie bar.

Chef Ramsey puts the Red and Blue teams in a new challenge, which causes tempers to flare and will result in the dismissal of one more contestant.

When Archer suffers a seizure, Addison and Naomi, search for a cause and a cure. They have to even call Derek for help. Meanwhile, Violet tells about the pregnancy to Sheldon and Pete, while Cooper is left to take care of a seven year-old abandoned patient.

Liz tries to begin a relationship with a new tenant after accidentally receiving his mail. Meanwhile, Jack's appearance causes Elisa's grandmother to disapprove of the relationship, and Tracy has trouble maintaining the lifestyles of Wall Street frat boys.

An old colleague visits the hospital to see a former mentor who is seriously ill. Sam's sister shows up unexpectedly. Gates and Morris tend to an elderly man who was assaulted on the street. A patient's diagnosis shakes Brenner up.

Michael, under the alias of Miles Parker, is hired by Scott Chandler to investigate strange activity - log-ins at odd hours, unusual computer activity and telephone bugging - at an art gallery. But after being attacked by the the gallery's receptionist, Michael finds himself working against Chandler.

Barker and Ellis get involved in a case dealing with millions of dollars and a deadly virus. The team discovers that a young boy has been given the virus as a means to blackmail his mother.

One of the cannons is recovered at the site.

Author John Glover

Tonight Stephen welcomes the author of How We Decide, Jonah Lehrer. Also, Stephen talks with New Yorker columnist James Surowiecki.

This episode is all about (bodily) features, mainly concerning fingers, faces and feet.

Lee wins a ?1000 after winning an essay writing competition. A journalist shows up to interview Lee but expects him to be disabled after reading his story.