He showed it to Judd Apatow on The Tonight Show yesterday

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That's a very polite rejection letter. It was nice they returned his videotape to him.

He didn't join the cast of Saturday Night Live until 1998. He had to wait until 1999 for his first Late Show appearance.

Jimmy demonstrates what he did during his audition for "Saturday Night Live."
(From "Late Show," air date: 11/2/99)

Jimmy Fallon Does His Impressions Of Adam Sandler, Jerry Seinfeld | Letterman (https://www.youtube.com/watch?v=aiRAJX_d0m4)

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