- Season 5 Episode 20
Return to Sender
JESS ISN'T "CHEERING" WHEN SHE MEETS SAM'S BEST FRIEND, DIANE
Peter Gallagher ("Togetherness") and Caitlin Fitzgerald ("Masters of Sex") Guest-Star
Second of Two All-New Episodes Tonight!
Jess meets Sam's (guest star David Walton) female best friend, Diane (guest star Caitlin Fitzgerald). Meanwhile, Nick is worried Gavin (guest star Peter Gallagher) will disappoint Schmidt (Max Greenfield) again and Winston is offended by a reaction to a birthday gift.