Spaceballs

Fearless - and clueless - space heroes Lone Starr (Bill Pullman) and his half man/half dog sidekick Bart ( John Candy) wage interstellar warfare to free Princess Vespa (Daphne Zuniga) from the evil clutches of the Dark Helmet (Rick Moranis) . On the way to the rescue - in their winabago - they confront the huge, gooey Pizza The Hutt (voice of Dom De Luise) sassy robot Dot Matrix (voice of Joan Rivers and a wise little creature named Yogurt (brooks), who teaches them the mystical power of 'The Schwartz' in order to bring peace - and merchandising rights - to the entire galaxy.