Watch: James Corden Go 'Method' With Peter Rabbit For LATE LATE SHOW

A behind the scenes look at the making of "Peter Rabbit" shows how James Corden, THE VOICE of the animated lead character, went unnecessarily method for the role, undergoing an operation and taking on an insane diet that really scared off his co-stars.

Each week night, THE LATE LATE SHOW WITH JAMES CORDEN throws the ultimate late night after party with a mix of celebrity guests, edgy musical acts, games and sketches. Corden differentiates his show by offering viewers a peek behind-the-scenes into the green room, bringing all of his guests out at once and lending his musical and acting talents to various sketches.

Additionally, bandleader Reggie Watts and the house band provide original, improvised music throughout the show. Since Corden took the reigns as host in March 2015, he has quickly become known for generating buzzworthy viral videos, such as Carpool Karaoke."

Watch THE LATE LATE SHOW WITH JAMES CORDEN weeknights at 12:35 AM ET/11:35 PM CT. Only on CBS.

Watch the clip here: