Johnny Carson Videos

On last night's LATE SHOW WITH DAVID LETTERMAN on CBS, talk show host Stephen Colbert danced, wore a fake mustache and showed off his elf ear. Check out the appearance below!

On the eve of Nelson Mandela's passing, The Arsenio Hall Show welcomed R&B singer R. Kelly who performed a musical tribute to the departed civil rights icon. Kelly performed “Soldier's Heart,” a song he wrote in tribute to Mandela.

On the eve of Nelson Mandela's passing, The Arsenio Hall Show welcomed R&B singer R. Kelly who performed a musical tribute to the departed civil rights icon. Kelly performed “Soldier's Heart,” a song he wrote in tribute to Mandela.

On CBS's THE LATE SHOW WITH DAVID LETTERMAN, celebrities including Tom Hanks, Rob Lowe, Sylvester Stallone and more told Dave's Squirrels in Central Park jokes. Check out the all-star montage below!

'America's Got Talent' judge Howard Stern stopped by LATE SHOW WITH DAVID LETTERMAN on CBS with the intention of continuing the so-called 'Leno/Letterman' late-night feud. Watch the radio host stir up trouble in the clip below!

On this week's LATE SHOW WITH DAVID LETTERMAN on CBS, late night host David Letterman shared an all-new Ken Burns film, featuring Jennifer Lawrence, Vince Vaughn, Jonah Hill, Jesse Tyler Ferguson and Martha Stewart, about crack-smoking mayor Rob Ford.

Martha Stewart stopped by last night's LATE SHOW WITH DAVID LETTERMAN on CBS and talked about dating on Match.com. Later, the guest took a selfie with the host!

On the next episode of Showtime's MASTERS OF SEX titled 'Fallout', a former study participant reveals she's pregnant and wants to know the identity of the father.

Jonah Hill stopped by last night's LATE SHOW WITH DAVID LETTERMAN on CBS and spoke about his 'all-time dream' of working with Martin Scorsese in the upcoming film, The Wolf of Wall Street.

The Hunger Games star Jennifer Lawrence stopped by last night's LATE SHOW WITH DAVID LETTERMAN and revealed that she had to go to the Emergency Room because of a troubling 'fulcer'.

CNN anchor Anderson Cooper stopped by LATE SHOW WITH DAVID LETTERMAN on CBS last night and spoke about Mayor Tom Ford's recent antics. Check out the appearance below!

“Big Bang Theory” star Mayim Bialik joined Arsenio on the couch last night to chat about her hit show and “Thanksgivingukkah” plans.

Actress Zooey Deschanel stopped in on The Arsenio Hall Show last night and told Arsenio how much she loves her Amish-chic "New Girl" wardrobe. Check out the appearance below!

Michael J. Fox stopped by last night's LATE SHOW WITH DAVID LETTERMAN on CBS and spoke about his recent feud with country music star Taylor Swift. Check out the appearance below!

'Good Wife' star Julianna Margulies stopped by last night's LATE SHOW WITH DAVID LETTERMAN on CBS and spoke about her ER co-star George Clooney. Check out the appearance below!

Andy Cohen plays “Plead the Fifth” with Jay and asks him what he would say to Johnny Carson if he were alive today (PREVIEW CLIP: http://nbc.co/vid/n42628).

On last night's LATE SHOW WITH DAVID LETTERMAN on CBS, 'Ender's Game' star Harrison Ford took a walk down memory lane to reminisce about some of his favorite Halloween costumes through the years. Check out the appearance below!

Scandals' Joe Morton joined ARSENIO HALL on the couch last night and offered a peek behind the curtain of the hit ABC show, revealing that the cast only learns their character's fate one table read at a time.

Charles Barkley stopped by last night's LATE SHOW WITH DAVID LETTERMAN on CBS to talk about Kobe, the Knicks, the Nets and more. Check out the appearance below!

On this week's LATE SHOW WITH DAVID LETTERMAN on CBS, host Letterman asked his guest Barbara Walters if there was a romance going on between her and Cuban leader Fidel Castro.