Dumb and dumber: Two dimwitted friends embark on a cross-country journey to return a briefcase full of cash to its rightful owner. Dumb and dumberer: Set in high school, Harry and Lloyd meet for the first time. Their antics confound many from the cafeteria lady to the principal.

Dumb and dumberer based on characters created by Peter Farrelly, Bennett Yellin and Bobby Farrelly. Dumb and dumber originally produced as a motion picture in 1994; Dumb and dumberer originally produced as a motion picture in 2003. Includes special features.

Dumb and dumber / a Brad Krevoy/Steve Stabler/Charles B. Wessler production a Farrelly Brothers movie ; written by Peter Farrelly, Bennett Yellin and Bobby Farrelly ; produced by Charles B. Wessler, Brad Krevoy and Steve Stabler ; directed by Peter Farrelly -- Dumb and dumberer / a Brad Krevoy/Charles B. Wessler/Steve Stabler production ; produced by Oren Koules [and others] ; screenplay by Robert Brener and Troy Miller ; directed by Troy Miller.