Barney continues his pursuit of Quinn. Ted has to deal with Robin’s old room, while Robin gets a taste of suburban life from Marshall and Lily.

The dying Observer comes to see Walter and Peter, who must take extreme measures to learn what secrets he hides and determine if he knows where Olivia is. Meanwhile, David Robert Jones tries to force Olivia to use her cortexiphan abilities by torturing Nina.

Jane is reunited with his former nemesis, cult leader Bret Stiles, when the head of an anti-cult activist organization is murdered.

It’s a day of disturbing realizations when Mitchell manages to ruin one of Jay’s proudest golf moments, Phil overhears something that may forever change how he sees his little girl, and Gloria stumbles upon Claire’s dangerous little secret.

It’s a day of disturbing realizations when Mitchell manages to ruin one of Jay’s proudest golf moments, Phil overhears something that may forever change how he sees his little girl, and Gloria stumbles upon Claire’s dangerous little secret.

The kids have a meeting with Frankie and Mike about their parenting techniques, and they are thrown for a loop, when their parents attempt to change.

When a wealthy Yankees fan recruits Neal to help steal a prized piece of memorabilia, Neal is reminded of what life could be like again as a high-end thief.

Castle and Beckett race to stop a series of events that could lead the U.S. into war, and their efforts continue to put Castle in CIA agent Sophia Conrad’s orbit.

When Robin breaks up with Kevin, Ted confesses his feelings to her. Meanwhile, Barney is on a mission to find something private of Marshall and Lily’s.

Lockhart & Gardner leads a class action suit against a software company that allowed the Syrian government to ‘disappear’ American citizens. Will faces a hard decision in the wake of the Grand Jury proceedings.