Nunez will play a ship employee who makes Coach (Damon Wayans Jr.), who is deathly afraid of boats, totally lose it. Kenney will play the by-the-books captain of the ship who tries to help mend the relationship between Nick (Jake Johnson) and Jess (Zooey Deschanel).
The Season 3 finale, which was directed by series creator Liz Meriwether, was shot on location onboard the Queen Mary in Long Beach, Calif.
New Girl returns with new episodes on Tuesday, April 15 at 9/8c. The season finale will air May 6 on Fox.
Are you excited to see Nunez and Kenney on the show?