Knowing and yet forgetting is the worst part of playing at trivia.  I did succeed in getting one of these right for the team.  Another was half-right, and a third was written down correctly but scratched out because I thought of a logical reason why it would be wrong.  

What ethical theory prescribes actions that  maximize happiness in total for the people affected?

What kind of animal is Major General Sir Nils Olav III, the mascot of the Norwegian King's Guard?

What highly-viscous fluid is used in the "world's longest continuously running laboratory experiment", having released only 9 "drops" in over 90 years?

What movie earned Clark Gable's only Oscar, which he gave away to demonstrate that the trophy wasn't important?