Sue wishes for a big birthday bash for her Leap Year birthday. Meanwhile, Frankie learns that Mike has been taking care of a stray cat, Brick develops a crush at school, and Axl becomes fascinated with vacuuming.

When Agent Kramer returns to derail Neal’s commutation, Neal races to right a wrong from his past.

When a woman dressed as Red Riding Hood is found dead in the woods with claw marks covering her body, and soon after a murdered Snow White is discovered with a poison apple in her hand, Castle and Beckett find themselves on a Grimm hunt to catch a fairytale killer before he kills again. But nothing is as it seems in a case filled with deceit, betrayal, secrets and murder.

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.