Damon Standifer

Competitive juices are flowing as Jake and the squad compete in the second Jimmy Jab Games.

When Mateo (Nico Santos) faces complications with his transfer to a Cloud 9 Signature store, he becomes desperate to resolve his undocumented status. Meanwhile, Amy (America Ferrera) helps Glenn (Mark McKinney) battle an Internet troll, Jonah (Ben Feldman) and Cheyenne (Nichole Bloom) try to give Mateo legal counsel, and Dina (Lauren Ash) and Garrett (Colton Dunn) take issue with corporate.

The doctors of Seattle Grace help Izzie cope with the loss of her fiancé, Denny, and her decision to quit the internship program. Meredith must decide what the future holds after her hospital liaison with Derek. The Chief is confronted by his wife, Adele, after spending the night in his office, and George seeks relationship advice from a surprising source, on the season premiere of "Grey's Anatomy."

While tracking a device that can prevent a nuclear meltdown through the Los Angeles sewers, Walter learns the nuances of listening and not offering advice to Paige. Also, Team Scorpion meets Florence (guest star Tina Majorino), their new neighbor at the garage, after she sends a mix of smelly chemicals through their shared ventilation as a warning to keep the noise down.

Regine wants to get closer to a new man in her life, but his dog comes between them. Synclaire and Overton argue after he loses money gambling.