The Looney Looney Looney Bugs Bunny Movie (1981)
The Looney Looney Looney Bugs Bunny Movie is a 1981 Looney Tunes/Merrie Melodies film with a compilation of classic Warner Bros. cartoon shorts and animated bridging sequences produced by Friz Freleng, hosted by Bugs Bunny. The new footage was one of the final productions done by DePatie-Freleng Enterprises.
More at Wikipedia.