Clint Culp

Jess fears someone is trying to sabotage her first middle school dance and she enlists the gang to help her chaperone on the big night.

Charlie finds that one of his former girlfriends has a son who looks a lot like him.

Will forms the Acafellas, an all-male acapella vocal group, spending more time building his own confidence and more time away from the glee club. In Will's absence, the glee club decides to hire a well-known choreographer to help coach them to Nationals. Meanwhile, Mercedes is bitten by the love bug, but her feelings aren't reciprocated. Musical performances include "Bust Your Windows", "Mercy", "This is How We Do It", "Poison", "La Camisa Negra" and "I Wanna Sex You Up".

In the aftermath of Tara's miscarriage, Jax learns new secrets that turn his world sideways.

Gibbs and Ducky see an antique war stick on television, and it could be the missing murder weapon to a 16-year-old cold case.

Monk suspects a TV star of killing his ex-wife, but the actor has a solid alibi.