When Sheldon learns that Penny is thinking about breaking up with Leonard, he tries to intervene. Meanwhile, in space, the other astronauts pick on Howard.
Sherlock uses his powers of deduction to consult on the murder of a young man who is shot upon entering his apartment. Meanwhile, Watson has dinner with her ex-boyfriend, Ty Morstan.
Team one believes they are just stopping a robbery in progress, but don't realize that Sarah will try to free herself from her mentor not realizing that she could likely be his next victim.
In this flashback episode, return to the site of the plane crash and watch as each doctor tries to cope with the heartache and injuries caused by the crash. Meanwhile, back at Seattle Grace, everyone struggles to find a bit of normalcy amidst the chaos.
More than warships close in on the Colorado as Kendal is forced into a battle on the ground, Prosser questions Marcus' judgement
The Machine delivers the number of a cold case that leads Reese ever closer to catching up with Finch and his kidnapper, Root.
Andy flaunts his genealogy when he discovers he's related to Michelle Obama. Meanwhile, Darryl struggles in his new post, Dwight teaches Erin a new language to wow her boyfriend's family, and Nellie tries to persuade Pam that Jim's having an affair.
Leslie helps a local swim team get more practice time by working on a new law that extends the hours at the community pool Ron finds himself filling a pothole for a local woman Lucy Lawless as part of Chris' new plan to solve citizens' problems around the city April and Ben take a road trip to Pawnee.
Team Rocket's "Operation Tempest" is under way with a fierce vengeance, and the fate of the Unova region hangs in the balance!
Ten new beauties are paired up with ten new geeks, including one who is a millionaire. The beauties are tested on how well they know their geek physically when they have to find them by touch alone. The geeks have to unleash their inner Bond in a challenge that will seem them taking fear in their stride in front of judges Laura Dundovic and Harry Dakanalis. The winners of the two challenges each nominate a team to send to the Elimination Room, where they participate in a quiz in which the team with fewer correct answers is eliminated.
Lorenzo decides to live life on the wild side when he meets the fun-loving, carefree Bruno, but Mac is convinced Bruno is bad news,Bruno ends up using Lorenzo as an alibi as he steals from his former employer, this leads Lorenzo to discover who his true friends are and be grateful that someone is always watching his back.
Reagan and Chris set out to prove that they are an adventurous couple.
The roommates settle in to life at the shore and Deena copes with being away from her boyfriend. Nicole makes an announcement that shocks the house.
Everyone returns to the shore for one last time. The Situation comes clean about his recovery and Snooki faces the challenge of being pregnant in a party house.
A reality-TV show featuring the life of "Toddlers and Tiaras" competitor Alana 'Honey Boo Boo' Thompson and her overweight family through their day-to-day lives.
The designers are brought to a magnificent location to spark their inspiration for their final challenge where they learn they must create avant-garde looks.
Zoey and Walden break up, causing Walden to experience a breakdown.
Stoick is in need of learning how to ride a dragon, and he quickly insists on riding Toothless all the time. Meanwhile, a mysterious dragon has been attacking fishing ships.
One Year Later Deans escaped from Purgatory, though Castiel is nowhere to be found. However, Dean isnt alone. Hes returned with a mysterious comrade-in-arms whose reason for escape is perhaps more than Dean bargained for. Meanwhile, Sam finds himself reconciling the life he discovered while Dean was gone with Deans sudden reappearance. As the boys struggle with their unexpected reunion, they make a shocking discovery that could lead them on a deeply personal mission to settle old scores. If only they could agree is this a family business or isnt it.