What was the title of Cheech & Chong's first big-screen comedy, from 1978?

Which 1978 Billy Joel album cover shows him leaning against an alley wall holding a trumpet? Bluto, Otter, Flounder and D-Day are fraternity brothers in which 1978 film? Complete the title of Katherine Paterson's Newbery-winning novel: "Bridge to ___". Which Texas running back and Heisman winner was drafted first overall in 1978 by the Houston Oilers? In which 1978 film did John Travolta sing "Sandy"? Who won the Best Actress Oscar for "Coming Home" (1978)? Who won the Best Director Oscar for "The Deer Hunter" (1978)? In which 1978 novel is the hero's mother, Jenny Fields, arrested for wounding a man in a movie theater?