Spaceballs

Space hero Lone Starr and his half-canine sidekick Barf are on a mission in their flying Winnebago to free Princess Vespa and her robot Dot Matrix from their evil captor, Dark Helmet, all while avoiding their gooey loan shark, Pizza the Hut! But, to defeat Dark Helmet, they'll need advice from a wise creature named Yogurt, who teaches them the mystical power of The Schwartz!