Dumb-Hounded (1943)
Dumbbells (2014)
Dumbbells in Ermine (1930)
The Dumbfounded King (1991)
Dumbo (1941)
Dumb and Dumberer: When Harry Met Lloyd (2003)
Dumb and Dumber (1994)
Dumb and Dumber To (2014)
Dumb Dicks (1931)
Dumb Luck (2001)
Dumb Patrol (1964)