Transcript for Jon Stewart Prepares to Signoff One Last Time
Turning to you to the end of an era. Jon Stewart signs off as host of "The Daily Show" tonight, a job he's been doing since 1999. Our Chris Connelly looks back at some of Stewart's best moments behind 9 desk. Welcome, welcome to "The Daily Show." Craig Kilborn is on assignment in Kuala Lumpur. I'm Jon Stewart. Reporter: That was 16 years ago. Tonight, Jon Stewart's last as host of "The Daily Show" ending a run that saw the former mtv star deploying smarts and a bs detector to become one of the most trusted sensibles had TV news. Progressives think they know better than you do. I didn't know that's what I wanted. But I guess I want to control every aspect of your life. Reporter: With wit and wisecracks and savage parody. Are you willing, Mr. President, to trust governor bush with our foreign policy? I am not willing to take that chance again, Jon. Reporter: Occasionally pro-fundity. The view from my apartment was the world trade center and now it's gone. Reporter: His talents made for seriously funny television. I'm sorry. I'll be wearing overalls and I won't shower. Reporter: Whether he was interviewing a fellow comic like Louis C.K. I don't think I ever touched his face. Reporter: Challenging former secretary of defense Donald rumsfeld. Let me deflate the tension right off the bat. Apology accepted. Reporter: Welcoming president Obama for a farewell conversation. I can't believe that you're leaving before me. Reporter: Now 52, Stewart supported the development of such straight-faced breakout stars as Steve carell, John over and Stephen Kolber. Along the way for many millennials and media elite he came to be regarded as a beacon guiding his viewers through a sea of cynicism and by others more as the relentless nemesis of Fox News. I know you're very frightened and I want to tell you everything is going to be okay. There you go, baby. Get that going. That stuff down. Reporter: Though this comic will know in the minds of the fans he remains impossible to replace. It's been an absolute privilege that's -- the honor of my professional life. Reporter: For "Good morning America," Chris Connelly, ABC news, Los Angeles. Complete path breaker. Yeah. Brought something brand-new to all of us. Said I'm a comedian but so much more than that. We turn to Amy for today's
This transcript has been automatically generated and may not be 100% accurate.