Bella tries to get close to Will but when Bella goes to his place she sees him with another girl. Meanwhile Lewis tries to test the water from the moon pool but gets caught by his teacher.
Two groomsmen wake up handcuffed together and covered in blood, with no memory of the raucous bachelor party the night before. Worse, the groom is missing...
Sheldon becomes Leonard's teacher in order to understand football, while an incident with flying a kite threatens Howard and Raj's friendship.
Alan's advice to Chelsea that she get breast-reduction surgery is not met with enthusiasm by Charlie, who kicks him out, but staying with Evelyn has its own challenges.
Olivia says something she regrets during her appearance on Jimmy Fallon’s talkshow and tries to keep Dan from finding out. With election day around the corner, Nate suspects his grandfather will stop at nothing to get Trip elected to congress. In the midst of another feud with Serena, Blair befriends a new “it” girl and takes her to an election night party at Chuck’s hotel, hoping to make Serena jealous.
Eight Canadians with poor driving skills are sent to an army base. They undergo challenges to enhance their driving abilities. Weekly, the most improved driver leaves. The last remaining participant is deemed Canada's Worst Driver.
While Jenn awaits her test results, Cassie is invited to New York City for her birthday and Lizzie takes a dramatic turn.
Cappie and Casey go public, and Omega Chi and Kappa Tau get serious about pranking. Things heat up when Song Fest pits ZBZ against Gamma Psi. Rusty and Dale take their rivalry out of the lab.
Louie's Restaurant (Providence, RI), Cafe Pita + (Houston, TX), Mambo's Cafe (Glendale, CA) Guy Fieri rolls in for real family cooking. In Providence, Rhode Island, an old family place where a couple of brothers are putting a spin on the family tradition, like stuffing Dad's ravioli with barbequed chicken. In Houston, Texas, a joint in a strip mall where a couple of guys from Bosnia are serving the classics their moms made them; And in Glendale, California, a joint where one family's making their own Cuban favorites, from pork to ceviche.
An up-and-coming rock star's body is found in a scene that appears staged from her recent music video.
Julian agrees to a weekend camping trip but struggles to fit in with Nathan and the guys. Back in Tree Hill, Brooke and Haley spend Girl’s Night doing a little bonding of their own, and Quinn helps Clay come to terms with a tragic loss. Meanwhile, Dan and Rachel’s past catches up to them.
Even though they do their best in order to be the perfect couple, Barney's attitude of know-it-all lands him in trouble with Robin and they are forced to seek Marshall and Lily for advice.
When Hiro travels three years into the past, he has a second chance to save Charlie from the hands of Sylar. However, Samuel’s presence serves to complicate Hiro’s mission even further. Elsewhere, H.R.G.’s past with his Primatech partner is revealed.
Bree begins to fall for Karl and drifts further from Orson. Katherine continues her sad attempts at seducing Mike, as her conflict with Susan grows. Gaby gets Juanita expelled from school. Lynette learns Tom is cheating on his mid-term, and Angie hides the truth about her mother.
Karen hatches a plan to move the family back to New York for good. Hank's mighty pleased, but Becca's crestfallen about leaving her new best friend, Chelsea. After inviting herself to Hank's class, Karen meets the comely ladies of the university: T.A. Jill Robinson and sexpot student Jackie. Later on, tempers flare when Becca and Chelsea get into some serious trouble and Hank and Karen are forced to pay a tense visit to Chelsea's parents, Felicia and Stacy Koons. Charlie is crushed when Marcy loudly consummates her girlhood-crush on Rick Springfield. But Sue Collini thinks up a creative way to restore Charlie's confidence.
In order to save his life, Andy tries a risky new procedure on his wife's partner who suffers from an aortic aneurysm.
The 1944 murder of a female pilot who flew noncombat missions for the U.S. during World War II is investigated. The victim was part of a civilian program that assisted the Army and Air Force. Meanwhile, the man who ran Lilly's car off a road is released from prison on bail.
Peggy's taste in men proves questionable. Pete has to make a big decision about his career and a candidate makes a big impression on Don.