The death of female conjoined twins who worked in the circus is investigated. The investigation leads Brennan and Booth to go undercover as a Canadian knife-throwing act, and also causes Booth to come face-to-face with a clown.

Bailey grows desperate as a patient's condition becomes more and more dire. Everyone in the hospital is stepping up to try to find the boy a new organ donor, including Meredith, who considers a death row patient's wish to die before execution. Meanwhile, an injury leaves Mark in a compromising position in the OR and Cristina awkwardly avoids Owen.

In the aftermath of having his cover blown, Darnell must pack up and leave Camden. Meanwhile, Earl, Randy and Catalina discover a devastating truth within the post office.

Using the name Joe Fordman, Clark goes undercover to discover why Detective John Jones was shot. Meanwhile, Lana and Oliver are hiding a secret from Clark.

Betty finds herself stuck between work and home life as she tries her best to appease both Hilda; Daniel, Molly, Connor and Wilhelmina.

Kim decides to pursue a career as a news anchor for a local TV station. Craig has a mishap with Phil's car, which only gets worse when the police get involved.

When a volunteer fireman is murdered at an ice rink, Booth and Brennan begin the investigation, but Booth must recuse himself due to a conflict of interest. When details come to light, Booth becomes a suspect in the homicide.

Dr. Langston's first day as a CSI is anything but easy when a seemingly simple burglary case ends up overlapping with an in-depth homicide and arson case.

Michael and Dwight spy on a rival paper company. The rest of the office debates whether or not Hilary Swank is hot.

Aging magician The Incredible Jay performs the dangerous Table of Death trick and emerges unscathed. Jay cheated the Grim Reaper, but one of his rivals didn't. He checked out while Jay was doing his act.

Violet discovers she's pregnant but doesn't know who's the father. Addison feels guilty after her kiss with Wyatt. Sam and Pete are ask by a friend to help him die, while Charlotte proposes to Cooper.

Not wanting to go alone, Jack tricks Liz into going on a business retreat with him. Jenna finds that method acting in preparation for her upcoming role as Janis Joplin allows Frank to take advantage of her. Kenneth helps Tracy understand how diabetes affects him.

Morris faces a complicated case involving a young girl hit while riding her bicycle. Gates finds it very difficult to let go of his feelings for Sam. Neela becomes quite flustered when Brenner returns from Australia.

Michael helps a single father named Kenny, whose son suffers from a heart condition. Kenny lost his savings to conmen after investing in a "miracle drug" for his son.

Hood hears about a boy who's kidney tumor disappeared after he drank from a natural spring, Hood goes to investigate to prove that it wasn't a miracle.

Barker and Ellis have to bust a major drug trafficker, Jimmy Casserly, out of Chicago Police Department's custody. They need him free so they can make a drug deal with him, then arrest him. Things seem to be going Barker and Ellis' way until they discover that someone else is after Casserly.

A bell is found and the crew tries to determine if it came from the Merchant Royal.

Actor in the new movie "Taken", Liam Neeson

Tonight Stephen welcomes Newsweek editor and author of American Lion: Andrew Jackson in the White House, Jon Meacham.

All things French are discussed in this episode. Subjects include languages, the Arc De Triumph, Paris Syndrome and anthems.