On March 10, 2001, Conan hosted "Saturday Night Live," the very show he used to write for, apparently well so, for in 1988 in won an Emmy. If you missed the show, it was rebroadcast over the summer, and I'm sure Comedy Central will eventually show it.

Conalouge or "Conan Time". (You'll get it after you read it.)
Boston Teens Sketch

You know you're from Boston when you say "wicked pisser." Hey, you get to hear Conans authentic Bostanian accent, so, it's good. It's all good!

The Molecular Man!Sigh. My hero!

The Napster HearingsWhat Beekeeper from the Village People?

This is what Conan looked like in 1988, when he was still writing for SNL. Here's a transcript for Tom Hanks (one of) monologe in which Conan briefly appeared as the stage hand. He also appeared in another Tom Hanks monologe, "The Five Timers Club", I'll add a link later.
Heres the transcript with stage hand O'Brien...