When Ted and Barney jeopardize Robin’s new relationship by professing their love for her, Robin realizes that she is finally over them. Meanwhile, after spending a weekend sleeping in twin beds, Marshall and Lily decide to get twin beds at home.
Hank’s increasing volatility forces a confrontation with Jesse and trouble at work. Skyler pressures Walt to make a deal. Gus’ actions have severe consequences.
The group is divided after Pierce crosses a line with Shirley; Britta and Jeff face a group of young bullies and their mother.
Claire is caught off guard when Phil’s father shows up in an RV with a little four legged friend, and she becomes suspicious that he might be hiding a larger reason for the visit. Meanwhile, when Cameron hears Dylan is down a drummer in his band, he enthusiastically offers to fill in, and Jay and Gloria have to pay the consequences of accidentally taking Manny to see a traumatizing horror movie.
Frankie is worried that Axl’s going to get his heart crushed again when his on-again/off-again girlfriend, Morgan (Alexa Vega, « Spy Kids, » « Ruby & the Rockits »), re-enters his life and tries to mold him into the man she wants him to be. Meanwhile Brick learns what it means to be a mother hen when he has to watch over a baby chick for a school science project.
When Alicia goes head-to-head in the courtroom with former boss Jonas Stern, she debates whether or not use personal information to her advantage. Peter uses religion to work on his appeal.
As Walt settles into his new surroundings, Walter, Jr. demands answers about his parents’ relationship. Hank’s investigation creates an immediate problem for Walt and Jesse.
The group becomes popular when they start a racket in chicken fingers.Their new-found popularity inflates their egos, and Jeff realizes that he must find a way to end his friends’ reign.
Chad and Anna are in Geneva for the U.N. Energy Summit where Anna is going to present a gift of technology to the world. Meanwhile, Erica learns that the V Task Force is investigating The Fifth Column and Valerie goes on the run, knowing something is different about her baby and not sure she can trust Ryan.
Investigating the murder of a thief, Castle and Beckett are surprised to learn that Esposito has a personal connection to the suspected killer. Another surprise is in line for Castle when Beckett hits it off with the handsome Robbery detective assigned to the case, Tom Demming. Now this romantic triangle must work together to solve the case.