Stephen Colbert has spent many years challenging guests to his "Colbert Questionert", a series of rapid-fire questions that he claims allows the guest to be "truly known".

And now, with The Late Show coming to a close this week, it's finally time for the man himself to enter the hot seat.

"I've always said that I wouldn't give my answers to any of those questions until this show is over, but I guess this is close enough," says Colbert in the video below, before a series of guest celebrity guest hosts take turns asking him a question each.

Here's part one, featuring questions submitted by Billy Crystal, Weird Al Yankovic, Josh Brolin, and Martha Stewart:

Part two, featuring questions from Mark Hamill, Jim Gaffigan, Jeff Daniels, and Tiffany Haddish:

Part three, featuring questions from Evie McGee Colbert, Amy Sedaris, and Ben Stiller:

And the final part, featuring questions from Aubrey Plaza, James Taylor, Robert De Niro, and John Dickerson:

It's a fun series of answers that ends on a sweet note, when Colbert describes the rest of his life in five words.

"My family. My friends. Fun."

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