Sam gives Phil a DNA test, catches something and releases on Max.

Doug Judy is back and this time, things between him and Jake are personal. Amy and Charles try to find the perfect new vending machine for the Nine-Nine.

Meredith heads up a pro bono surgery day, but the overwhelming patient response causes her to struggle to keep things in order. DeLuca treats a teenage patient whom he suspects is in danger and desperately tries to get Bailey to support his theory.

When Amy has to bring her baby to the store, she grows frustrated with people's criticisms of her parenting and Glenn enlists Jerusha to help. Garrett helps Dina plan her first date with her boyfriend. Sandra and Cheyenne hatch a conspiracy theory.

After a major turn in the case, Ambrose's tactics are scrutinized.

Jimmy invites Jennifer Garner and her sexy saxophone join Jimmy Fallon's #stayhome party via video chat in another home edition of The Tonight Show. Tonight, Jimmy shares his favorite Hashtags: #MyQuarantineInSixWords and tries to build a tent for his daughters. Tonight's charity: https://www.savethechildren.org/

Fifteen of the competition’s fiercest challengers return to face-off in the toughest season yet! A mise-en-place challenge set at the Griffith Observatory in Los Angeles kicks off the battle, where the Chefs size each other up since last competing.