Jeff scoops up a shipment of furniture that might have been used to sell drugs.
Charlie gets an unexpected visit from his hyper-critical, bullying father. In the therapy group, Charlie attempts to help Lacey with road rage.
The guys discover that an old comic book is valuable, so they try to sell it to a collector. Meanwhile, Owen and Carol showcase a new act at the bar; and Steve and Melanie try to crack middle-school mysteries.
The girls' friendship is tested on their last night in Cancun. Later, JWoww and Roger's relationship hits another rough patch, while Snooki starts to question her engagement to Jionni.
Twelve Wipeout losers (as well as twelve of the 90+ champions) return to Wipeout.
Nanny Plum and the Wise Old Elf argue over who does the most work, so they decide to swap jobs for one whole day.
Buddy, Tiny and Mom visit their pal Arnie Argentinosaurus, who's grown so large he can't ride on the train anymore;
Harvey is tasked with closing the one person whose vote will decide Pearson Hardman's future.
Gunter Vogler, a vicious criminal, is betrayed and left for dead, only to be recruited by the police, who want to use him against the mob. Given a badge and authority, Vogler becomes even more dangerous and out of control.
The CIA recruits Fiona to break into a guarded safe after a civilian asset winds up in over her head. Meanwhile, Sam and Jesse visit a mercenary training camp to track the sniper who killed Nate.
The officers try to prevent dangerous fallout when a laptop containing sensitive information is stolen; a wedge is driven between Sam and Andy.
Jerry Seinfeld and his special guest, Alec Baldwin (30 Rock) drive a 1970 Mercedes Benz 280 SL to Fairway Market Café in New York City, NY for some coffee.
Vogler and Hagerman investigate a series of apparent suicides by priests, uncovering a conspiracy involving a dentist-hitman and gangsters who are hiding out in churches.
A teenager goes on a violent rampage and kills several people, impressing Vogler. Vogler encourages the boy to embrace his dark side, but Vogler then must defuse a hostage situation at the school when it turns out that a new drug is the cause of the violence in the city. Vogler is shot in the face again during the hostage crisis, which drives him even further into madness.
Holly flaunts her new boyfriend, Paul, and Paul invites the roomates to a great party. But Stuart sees signs that Paul may still be too close to his ex-wife.
Cam is at his house alone when someone tries to break in. When he opens the door he sees Melanie. minutes later him and Melanie have already had sex. Everything happens to be ok with Melanie's intention to return and date Cameron but Molly returns home and Melanie finds out that Cameron and Molly are married which leaves heart broken. At Contra Oz talks to Cameron about it and reveals that Melanie blames Oz for the marriage. Meanwhile Cash develops his steps plan to win Molly's love. That plan is called: Dawsons Plan as in Dawson Creek. Contra is hacked by Henry Shaw played by Samm Levine and after some small disputes they make a deal who wins their annual Slosh Ball game is allowed to say that is the best company. Contra seems confident but their hopes end when Melanie joins Double Dragon. Contra loses the Slosh Ball game but Melanie hacks into Double Dragon servers and destroys the company revealing that she was working for Oz all of the time. Back in Contra Cameron and Melanie get back together as she is back working with Contra Security and reveal to everybody that they are finally a couple. At the end of the episode Cash, finally, makes an attempt on Molly.