Gene has a freak-out about growing up and desperately tries to relive his youth.

When Peter and Quagmire accidentally switch underwear, they begin to mimic the other's behavior. Stewie and Doug agree to commit each other's murders.

As Morgan, Grace, and Mo struggle to adapt to life on the submarine, a food shortage forces them to face the nuclear fallout outside the sub.

Pulling up to her ten-year college reunion in style as an alumni panelist, Issa’s self-doubt quickly surfaces, while Molly — still reeling from her breakup — struggles to get out of her own head. As the crew takes the opportunity to reflect, old wounds remain tender.

Episode info coming soon ..

Sam and Kilbride clash when a case involving an arms dealer responsible for the slaughter of ATF agents leads them to a well-connected General and friend of Kilbride, accused of supplying militia groups with guns. Also, Kensi and Fatima go undercover at a rehab facility to question the arms dealer's girlfriend.

Marge puts a hurtful word in Lisa's brain and Bart gets swole.