'COMMUNITY': Characters Annie and Britta (voiced by Alison Brie and Gillian Jacobs) in the show's G.I. Joe-inspired episode. (NBC/Starburns Industries)

“Community” (NBC at 8 p.m.) is going to look very different tonight when it gets the animation treatment in a special G.I. Joe-inspired episode entitled “G.I. Jeff.”

Raj wrestles with dating two women while Sheldon, in typical Sheldon fashion, wrestles with having to use two different gaming systems on “The Big Bang Theory” (CBS at 8).

FINALE WATCH: To wrap up its first season, “Once Upon a Time in Wonderland” (ABC at 8) has Alice and the White Rabbit teaming up to battle Jafar in a conflict at the Well of Wonders.

Leslie and the parks crew are on a mission to save a local high school’s senior prom on “Parks and Recreation” (NBC at 8:30), which has Tom reluctantly giving some DJ time to Ben and April reluctantly attending with Andy as her date.

RETURNING SHOW: “My Big Fat American Gypsy Wedding” (TLC at 9) returns for a third season with two teens from feuding families doing whatever it takes to get married.

A finalist is eliminated on “American Idol” (Fox at 9), with a performance by the rock band Daughtry, fronted by Season 5 finalist Chris Daughtry.

The flu invades “Grey’s Anatomy” (ABC at 9), but Derek is forced to pull it together to present a career-changing speech on brain mapping.

FINALE WATCH: Season 6 of “Mysteries at the Museum” (Travel at 9) ends with examinations of a bullet linked to a seemingly immaculate conception and a deck of cards that allegedly inspired a classic horror film.

King Horik returns to Kattegat to deliver a surprising proposition to Ragnar on “Vikings” (History at 10).

The docu-series “Chicagoland” (CNN at 10) takes us back to the beginning of the school year to show the effects of Mayor Rahm Emanuel’s Safe Passage school program.

Abby sits in for Olivia at the White House on “Scandal” (ABC at 10) while the investigation of B613 trudges on.

A serial killer famous for biting his victims, and who was presumed dead after years of inactivity, appears to be back from the grave and killing on the latest “Elementary” (CBS at 10).

Actor Daniel Radcliffe and comedian Cedric the Entertainer come to “The Tonight Show Starring Jimmy Fallon” (NBC at 11:35), with music from Travie McCoy.

Actor and regular Fountain of Youth drinker Johnny Depp is on the “Late Show With David Letterman” (CBS at 11:35), with a musical performance by Joseph Arthur.

Actors Emma Stone and Jeff Perry appear on “Jimmy Kimmel Live” (ABC at 11:35), along with music from Schoolboy Q.

Rachel Lubitz