Dumb and Dumber spawned a 2003 comedy prequel.
Dumb and Dumber . The film also spawned an animated TV series , a 2003 prequel , and a 2014 sequel . Dumb and Dumberer : When Harry Met Lloyd is a 2003 American comedy film . It is the second film in the Dumb and Dumber film series and a prequel to the 1994 film Dumb and Dumber .