WATCH: Jimmy Kimmel Interviews His Idol, David Letterman

Kimmel was so excited to finally interview his childhood hero that he begged Letterman, "Just live with me for a month!"

It's not often that two rival late-night hosts sit down on the same stage, but that's what happened on Wednesday, when David Letterman joined Jimmy Kimmel on the Brooklyn edition of Jimmy Kimmel Live.

But it was far more than a ratings ploy. The Late Night with David Letterman host is Kimmel's lifelong hero; in fact, Kimmel showed Dave actual family photos of his Late Night-themed 18th birthday cake and the "L8 Nite" license plate on his first car!

"Did your parents step in when they saw that? These are warning signs, Jimmy," Letterman joked.



So what did Jimmy ask his dream guest? Mostly, he probed into Dave's personal life, a subject that doesn't come up a lot on Letterman. When Kimmel asked if Letterman's son Harry, 9, knows what he does for a living, Letterman said he wasn't entirely sure. "One of his classmates went up to him the other day and he said, 'I know who your father is...Your father is Ed Sullivan,'" Letterman said.



Letterman also revealed how Tom Brokaw taught him to fly fish (even though he doesn't usually like "activities that require pointers or tips"), admitted that he doesn't have any friends and said that he uses email, but not Facebook.



Through the Q&A, Kimmel tried to convince Letterman that they should become best friends, offering to throw him a party ("do you like pie?"), start a softball team with him and take him fishing. "What is it about your life that you find unfulfilled?" Letterman asked at one point.

"Just live with me for a month," Kimmel pleaded.

"I kind of feel like that's what I'm doing tonight," his TV idol deadpanned.



Even if the interview didn't make them BFFs forever, Jimmy and Dave were able to bond over the challenges of doing comedy during the aftermath of Hurricane Sandy. "When you don't have an audience is what you're immediately aware of is how truly unfunny I am," said Letterman, who did two shows this week with no studio audience. "What you're having is probably the reaction people are having at home, which is complete silence. So it was fascinating."



And even though Kimmel's show will soon be moving to an 11:35pm time slot, putting it in direct competition with Letterman, Dave wished his rival all the best. "I think it will be exciting... I couldn't be happier to have you in the running," he told Kimmel -- proving that teenage dreams really do come true.

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