William rescues a team member, while the others go undercover at a sorority house to get information about a drug dealer.
A distinguished senator asks Gibbs for help in solving the murder of a young female Naval officer.
The day starts in the middle of a night, when Sage wakes up with a nosebleed and Jenn rushes her to the clinic. While she's there, Sage witnesses an old woman die as a result of a nurse's error
Mike hooks up with the tar rigging crew on the oldest active merchant ship in the world, the Star of India in San Diego. Then, Mike looks back at some of the dirtiest tools he's used, all which make life simpler for the rest of us.
Annie and Ethan get paired up for a class project where they must take care of a baby. This time together forces them to see each other in a new light. At Silver's half-birthday party, Silver and Dixon continue to get closer. Meanwhile, Harry and Debbie must deal with Harry's past when Tracy tells Harry that she's hired an investigator to find their son. Elsewhere, Ryan tries to cope with Kelly leaving and decides to try online dating.
A sleep study goes awry; a little girl's imaginary friend becomes a babysitter's problem; partygoers stray into a quarantined area; a radio show about unexplained phenomena gets an unlikely visitor.
Derek plans to drop of out of school to be with Sally in Vancouver.
Jay and Sherry have an older son they wanted to keep at home, so the basement unit of their house is perfect. Although they're all together, the layout of the house has major issues - the kitchen is tiny and the bedrooms aren't private. The family doesn't know what to do. Designer Hilary and Realtor David are ready to help. Hilary and her team renovate the house to make it function for everyone. David will search for houses that will convince the family to move. In the end, Jay and Sherry will have to choose what's best for their family. Should they love their house again? Or should they list it?
Heidi tries to reach out to Lauren. Meanwhile Audrina has a date, but what will Justin say to that?
Trouble is brewing at Spellman's Magical Museum of the Circus when a group of people join hands and block the entrance the the museum... but they let Sarah Jane in, what is this mystery all about?
Denny is arrested on concealed-weapon charges after shooting a man who tried to rob him and Jerry. Meanwhile, a case gets personal for Alan when he tries to help a sex surrogate in a custody battle for her daughter.
John and Derek infiltrate a military academy in order to protect an integral member of the future resistance. Meanwhile, Weaver’s first assignment for Ellison takes an interesting turn of events when he discovers a specter from his own past.
Nadine's Restaurant (Pittsburgh, Pa.) •Casamento's Restaurant (New Orleans, La.) • Big Mama's Kitchen & Catering (Omaha, Neb.) Guy Fieri uncovers three joints puttin' a piece of history on the table: In New Orleans, an oyster bar where nothin's changed since 1919 and the deep fried oysters are still hand-shucked; in Pittsburg, a neighborhood 'dive' where Mama Nadine's dishin' up roast beef smothered in gravy and in Nebraska, Big Mama's cookin' her Grandma's soul food in an old school cafeteria.
Lincoln takes members of the team to Las Vegas where Sucre gets an indecent proposal. Sara learns about Michael’s condition, and Roland pushes his luck too far. Gretchen teams up with T-Bag who makes an offer to Michael he cannot refuse. Meanwhile, the secrets in Whistler’s bird book are finally revealed.
When Stella's babysitter cancels, a night out turns into the gang hanging out at her place, and Ted talks up New Jersey... until he learns Stella wants him to move there after marriage.
Chuck needs to go undercover to seduce a woman named Sasha Banachek, so an old school spy named Roan Montgomery is assigned as his mentor. Meanwhile, Captain Awesome finds himself in need of some relationship advice, and and turns to Morgan, and Lester faces his first problems as assistant manager.
Sheldon creates a monster when he introduces Penny to online gaming.