A clause in Orson Welles's RKO contract prevented Ted Turner from colorizing which 1941 film?

A classic line from which 1994 movie is "Mama always said stupid is as stupid does"? A classic plum pudding contains which kind of animal fat? A classic 1966 surfing documentary is "The Endless..." what, which all surfers hope for? Which game bird is famously served "under glass" in a classic dish? A cleaned-up version of "Let's Spend the Night Together" was sung on which TV show in 1967? Which scouring powder, launched by Procter & Gamble in 1956, shares its name with an icy body that orbits the sun? Which word means both a steep cliff and an attempt to deceive in a card game? Complete the title of this 1970 Clint Eastwood World War II caper: "___ Heroes".