Who played Willis on the sitcom "Diff'rent Strokes"?

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Prior to getting married, Kate Middleton worked as assistant accessory buyer at what clothing chain?

What song's lyrics include "tap, tap, tapping at your windowpane and bringing joy to every girl and boy"?

What year marked the appearance of Doc Savage?

The Black Hills, home to Mount Rushmore, are located in which US state?

Which US state is nicknamed the "Keystone State"?

The Ozark Mountains are found predominantly in which two US states?

What's the world's largest predatory fish?

Which is the largest of Neptune's moons?

Who voices the character of scientist and inventor Professor John I.Q. Nerdelbaum Frink Jr. on The Simpsons?

What TV show takes place in the fictional city of Quahog, Rhode Island?

Who lived in Seattle's fictional Elliott Bay Towers?

When not fighting crime, what did Underdog do for a living?

What army is invading Pepperland in the Beatles film "Yellow Submarine"?

Which artist was born Artis Leon Ivey Jr.?

Which of the 6 Space Shuttle Orbiters NASA built was not capable of spaceflight?