'Saturday Night' Trailer Documents the 90 Minutes Before SNL's First Eipsode in 1975, Showcases Huge Ensemble Cast - Watch Now!

The first trailer for Saturday Night, about the first broadcast of NBC’s SNL, has just debuted online!

The film features a huge ensemble cast portraying comedy greats like John Belushi, Gilda Radner, and more.

Head inside to watch…

Gabriel LaBelle takes on the role of SNL head Lorne Michaels while Cooper Hoffman stars as NBC executive Dick Ebersol.

The cast also includes Dylan O’Brien (as Dan Aykroyd), Lamorne Morris (as Garrett Morris), Cory Michael Smith (as Chevy Chase), Matt Wood (as John Belushi), Ella Hunt (as Gilda Radner), Emily Fairn (as Laraine Newman) and Kim Matula (as Jane Curtin).

Other stars include Willem Dafoe (as David Tebet), Nicholas Braun (as Jim Henson), Matthew Rhys (as George Carlin), Kaia Gerber (as Jacqueline Carlin), J.K. Simmons (as Milton Berle), Jon Batiste (as Billy Preston), Andrew Barth Feldman (as Neil Levy), Naomi McPherson (as Janis Ian) and Finn Wolfhard as an NBC page.

Here’s the synopsis: At 11:30pm on October 11, 1975, a ferocious troupe of young comedians and writers changed television – and culture – forever. Directed by Jason Reitman and written by Gil Kenan & Reitman, Saturday Night is based on the true story of what happened behind the scenes in the 90 minutes leading up to the first broadcast of Saturday Night Live. Full of humor, chaos, and the magic of a revolution that almost wasn’t, we count down the minutes in real time until we hear those famous words…

The film hits theaters on October 11.