In part one of the two-part, two-night second season finale, Walter and Olivia travel to the parallel universe, and the anticipated face-off between Walter Bishop and William Bell occurs.

Frankie points out to Mike that his social ineptness has been passed on to Brick, leading Mike to decide that both he and Brick need to be more social, and…

After a violent attack on someone very close to Anna, she delivers a message that the Vs don't feel safe and will be leaving while she also gives a list…

A robbery-homicide prompts Beckett to invite Demming to assist on a case, giving Castle a ringside seat to their budding romance. When it becomes clear that the two men have…

When Ted, Marshall, Lily and Barney crash a highfalutin party at a swanky New York apartment, Ted gets the chance to mingle with the snooty guests and show off his…

The family waits for news about Hank. While Jesse covers at the lab, Walt attempts to placate Gus. After witnessing a disturbing outburst, Walt worries he and his family are…