Which scouring powder, launched by Procter & Gamble in 1956, shares its name with an icy body that orbits the sun?

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 clause in Orson Welles's RKO contract prevented Ted Turner from colorizing which 1941 film? A cleaned-up version of "Let's Spend the Night Together" was sung on which TV show in 1967? 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". Clocks made in Germany's Black Forest introduced which bird to timekeeping? A clock set in the year 2000 that loses 1 second a year would first be an hour off in what year?