Frankie insists that the family go on vacation together before school starts; Mike and Frankie remember their honeymoon, which was ruined by Nicky (Ray Romano), a guy Mike knew in high school.

Frankie insists the family take a few days of vacation before school starts. But Mike’s suggestion of a camping trip brings back bad memories of their honeymoon camping trip.

In a riveting opening that picks up just moments after last season’s climactic finale, Detective Beckett fights for her life as Castle, plagued by guilt over his role in the events, struggles to uncover who’s behind her brutal shooting. Meanwhile, back at the precinct, Ryan and Esposito have to adjust, as Victoria « Iron » Gates becomes the precinct’s new uncompromising Captain.

While Barney prepares for his wedding to a mystery bride, he and Ted reminisce about Punchy’s wedding, including when Marshall and Lily announced they are having a baby. Meanwhile, Robin considers telling Barney she has feelings for him.

Marshall gets a great job offer that he fears may be scuttled by a social media background check. Ted needs a date for the Architects Ball.

In the season finale – It’s chaos in Eureka when an energy beam rips through main street but the Astraeus launch must go on…with or without Eureka intact.

Myka and Pete deal with a plague of zombies in Ithaca, while Claudia deals with a new romance, a prophecy of death, and a rejection from a friend.

Walt’s family worries when he doesn’t turn up for Walter, Jr.’s 16th birthday. Jesse is forced to put his lab skills to the test without Mr. White’s help.

When an explosion in the Astraeus lab accidentally sends Andy to Titan the team must devise a plan to save him before it’s too late! Eureka

While Pete and his mother Jane try to determine the origins of their mysterious opponents, Myka and Claudia travel to Portland to stop a girl who can apparently vaporize anyone she hates with blasts of radiation.