A drug dealer collapses during a sale, but refuses to reveal personal information to the team because it might incriminate him. Meanwhile, Foreman’s teammates conspire to play a practical joke on him, while House and Wilson both aim their sights on an attractive new neighbor, Nora.

When Castle and Beckett are called to a wedding to investigate the death of a bridesmaid, Castle is stunned to discover that the soon-to-be bride is his old flame, Kyra, “the one that got away” (guest starring Alyssa Milano). Complications ensue as Kyra, caught off-guard by Castle’s reappearance in her life, wonders if she’s marrying [...]

Mr. Schuester splits the Glee Club into pairs to sing their favorite ballad, but when one kid gets sick, he’s forced to step in and winds up in a sticky situation. Meanwhile, Finn and Quinn have to face the music when dinner with her parents goes awry.

After a bike messenger, carrying a package with content that is able to free a wrongly convicted man from pison, is brutally murdered, Castle and Beckett need to investigate the case. But they are surprised to find out that the tragic death is linked to another murder case previously investigated by Captain Montgomery. Now, in [...]

The murder of an Assistant District Attorney thrusts Castle and Beckett into the world of ex-cons and escorts. But when Castle’s desire to help a vulnerable call girl endangers the case, Beckett is forced to decide between honoring promises and putting a killer behind bars. Matters are complicated even further when Castle’s daughter shares a [...]

A man’s body is discovered in an apartment building’s garbage chute, and two women surface to identify the deceased – his wife and his fiancée. Castle and Beckett’s investigation uncovers the man’s complex double life. DB Woodside guest stars

Grace remains upset with her mother dating a younger guy. Meanwhile, Adrian and Ricky both go to therapy where, Adrian reveals her first time having sex and why she wants a commitment. Elsewhere, Griffin encourages Ashley to make up with Amy, Anne goes into labor, and George delivers the baby. Ben asks Leo to get [...]

While close friends of Amy suspect Ben and Amy’s breakup, Ben’s friend from Italy visits. While Amy and Anne take a mother/daughter vacation, Ben, Ricky, Jack, Grace, Adrian, Ashley, Griffin, Lauren, Madison, Henry, and Alison all skip school, only to be pursued by the new guidance councelor, Mrs. Bink. The gang meet at the beach, [...]

Concerned that Sue is up to no good, Will pays a visit to an instructor of a competing glee club (guest star Eve) to see what information Sue may be leaking, which leads to the club getting a look at their hair-rising competition. Meanwhile, Kurt gives Rachel a makeover to impress Finn, but he may [...]

A young woman approaches Lightman at his book signing, believing she has seen a murder. Lightman finds that the woman has multiple personalities, and he believes that one of her personalities witnessed the murder. Lightman passes off helping Agent Reynolds vet a potential Supreme Court nominee, instead choosing to pursue the case of the multiple-personality [...]