Tom Costello

When Claire takes Manny and Luke along to Alex's academic decathlon for the weekend, Phil attempts to throw together a boys' night at the house, inviting a fellow Bulldog alum (guest star Matthew Broderick) he just met -- but their wires are definitely crossed. Meanwhile, the pressure is on for Alex at the decathlon, Manny and Luke bar mitzvah hop at the hotel trying to find a cute girl, and Cam and Mitch arrange for quite the surprise baby gift for Jay and Gloria.

It’s Valentine’s Day and Leslie (Amy Poehler) decides she needs to find Ann (Rashida Jones) a new man. Ben (Adam Scott) must enlist Ron’s (Nick Offerman) help when he is stumped by Leslie’s elaborate Valentine’s Day scavenger hunt, and Chris (Rob Lowe) is depressed about the status of his love life. Aziz Ansari, Chris Pratt, Aubrey Plaza, Jim O’Heir and Retta also star.

Unsettling news motivates Derek and Meredith to take preventive steps for their children's future; Syrian doctors come to the hospital for a crash course in basic surgical skills; April decides to tell Matthew the truth.

After several of Bailey's patients die, she becomes the focus of a CDC investigation; Cristina teases Alex about his feelings for Jo; Owen continues to take care of Ethan while his parents remain in the hospital.

Holmes and Watson investigate a murder that initially looks like a road rage incident, but takes a new direction when they learn the victim was flash-frozen at the time of death. Also, when Watson's mother finds out Joan's brother is cheating on his wife, she puts Joan in the awkward position of confronting him about the affair.