A contestant is eliminated; David Cook performs; Katy Perry performs.
Krieger works to finish a top-secret project, and Archer brings a mysterious former KGB agent named Katya Kazanova home to meet Malory.
During a battle with another trainer, Oshawott loses his scalchop, causing Oshawott to run off to search for it mid-battle.
Eamonn returns to London to supply detonators to members of the IRA, before the death of his father makes him yearn for Cathy even more. The pair are reunited again, and with their chemistry as strong as ever, the pair plan to start a new life in America together. Meanwhile, Dixon's attacks on the West End clubs intensify
Early in the morning of Day 18, Sean reflected on what was said in Tribal Council the night before about Malusi mentioning that last night's vote was extremely crucial for him. He noticed that Tejan took notice to what his alliance partner said, which let Sean know that there were weak links in the Raituhn 5. MXO, Sean and Alison all started to persuade Malusi into flipping over to side with the former Goma castaways, though all they could manage was to place more doubt on his mind.
The Kratt brothers are itching to fly with the world’s fastest animal, the Peregrine falcon, which can hit top speeds of 240 mph.
Sasuke becomes a pupil of the tea master Sen-no Sôeki. Nobunaga reveals his ambition to unify Japan and then wage war on the continent.
A thief stalks Surfer's Paradise, and Bummer wants Johnny and Broseph to hunt him down. Meanwhile, Reef, who is normally broke, suddenly seems to have lots of money.
P, Quez, Lennon, Justin, Peter and Nelz spend an afternoon blowing up and throwing up in the Silent Library. Featured Challenges: * Round 1: Padded Bust, Private Punch, Sour Shave * Round 2: Wurst Waitress, Window Pain, Blasted Nuts * Round 3: Old Nipples, Liver Cone, Bulls Hit * Round 4: Tired Five
Teresa gets carried away by desire and confesses that she's attracted to Teo, while someone close is stricken with jealousy.
Leslie tries an online dating service, but doesn't end up with a stranger as she expects. Also, Chris challenges Ron to a grilling competition as part of his plans to make Pawnee healthier.
The remains of a maritime museum security guard are found in the Florida Everglades after an attempt to steal an obsolete 17th century nautical chart fragment used to find treasures. In order to solve the crime, Booth seeks out Walter Sherman, a former Iraqi soldier with an uncanny gift to unearth anyone and anything. With Sherman's help, as well as that of his colleague, Ike Latulippe, and his legal advisor, Leo Knox, the team is led to tattoo artist who points them in the direction of a tough young woman. But when the woman is found murdered with remnants of the map lodged in her remains, the team discovers centuries of history linked to the map and the suspect behind the crimes. Meanwhile, Brennan puts Sherman's remarkable skill to the test, and Booth harbors cold feelings toward his former military comrade.
Stefan and Damon are furious when they discover that Elena has defied them both to make a new ally and take control of the plan to out-maneuver Klaus. Disagreement over how to protect Elena leads to growing tension between the Salvatore brothers. Meanwhile, Stefan has his hands full trying to keep a confused and frightened Jenna safe. Flashbacks to 1491 reveal Katherine’s introduction to Elijah and Klaus, along with the origin of the moonstone curse. Elena learns shocking new information about Klaus’ motives.
An entrepreneur presents a line of luxury maternity gowns; a woman tries to impress the sharks with her homemade cakes; the sharks fight over a stay-at-home dad's product.
Working on their final anthropology diorama, Chang finds a cache of items stolen by Troy's monkey that dredge up unhappy memories for the study group.
Michael trains Deangelo to take over his job of hosting the Dundie Awards, while Erin struggles with her dislike for her boyfriend, Gabe.
Raylan realizes he wasn't the sole target of an attempted assassination, and confronts the unlikely culprit once and for all.
When Oz's childhood friend, race-car champion Jimmie Johnson, asks him for help investigating a security leak on the speedway, Cameron is forced to recruit his least-favorite person to the team: car enthusiast Dutch. Meanwhile, Cash thinks the office photocopier has come to life.