Clocks made in Germany's Black Forest introduced which bird to timekeeping?

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". A clock set in the year 2000 that loses 1 second a year would first be an hour off in what year? The Zytglogge, a clock tower with an astronomical clock from 1530, is a landmark of which Swiss capital city? Which director made "A Clockwork Orange", "Full Metal Jacket" and "Spartacus"? What is the name of the violent teenage narrator of "A Clockwork Orange"?