Amanda Payton

Penny struggles to bond with Leonard’s mother when she comes for a visit. Meanwhile, Sheldon hires Stuart to spend the day with Amy.

Capt. Strand and the 126 help a husband whose wife "dies"; Tommy is worried Trevor's young daughter is a bad seed.

Lies. Voight employs his new informant to help solve a tricky drug trafficking case. Atwater, who once again struggles to reconcile his personal and professional life, reaches a decision.

Gibbs and the team investigate the altercation that caused injuries to Sen. John Phillips' son; Torres and Sloane must protect the senator as they travel from Afghanistan back to the states.

In order to impress festival girls, the guys throw their own version of Coachella.

Sheldon visits CalTech for the very first time. Also, Georgie is furious when Mary listens in on a phone call with his girlfriend. And Meemaw tries to cheer up a jealous Missy.