Max Greenfield once appeared in an episode of the teen drama The O.C., as the younger version of Peter Gallagher's character.
Nick's office at the bar features yet another Black Keys poster, like in his room.
Peter Gallagher is the second actor who starred in The O.C. to appear as a guest on New Girl. Adam Brody, who played Gallagher's character's son in the teen drama, appeared as Jess' ex-boyfriend Berkley in the Season 3 episode "Exes".
Gavin says he's just got into surfing. Peter Gallagher's character on The O.C., Sandy Cohen, would famously surf every morning.