It has been almost a year since David Letterman completed his last show in May of 2015. The talk show host was on for 33 years, surpassing his mentor Johnny Carson's 30 years. From February 1982, with Bill Murray as his first guest, David Letterman filled our late nights following the news and Johnny Carson. He kept us glued to the television long past our bedtimes with stupid pet and human tricks, calls and interviews with his mother in Indiana and the monkey-cam. There was almost always entertaining monologue at the beginning of every show covering current events, and banter between Dave and Paul Shaffer (and the band) was part of every Late Show.

The final show aired on May 20th, 2015.

Highlights

Richard Simmons, weight loss and exercise star, was a frequent guest on the show and always seemed to cause friction with the host. Oprah first appeared on the Letterman show in 1989. Letterman would mention for 16 years that he was trying to get her to return as a guest on his top rated show. She was finally a guest at the end of 2005. Letterman, who rarely allowed interviews himself, appeared on her show as a guest later in 2007. Drew Barrymore gave a birthday dance on his desk, and flashed him during a show. Madonna was always a guest who seemed to keep Letterman on his toes with her antics.

Things you may not know

David Letterman has appeared in other television shows like "Spin City", "Seinfeld" and even an episode of "Mork & Mindy" in 1979.

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Film appearances included the autobiography about comedian Andy Kauffman, Man On The Moon, and Beavis & Butt-Head Do America among others during a career spanning over three decades. His production company, Worldwide Pants Incorporated, produced top shows such as Everybody Loves Raymond, The Late, Late Show and Ed. No stranger to charity, The Letterman Foundation for Courtesy and Grooming has benefited from millions donated by the late night host for various charities in Indiana and Montana. There is also an annual scholarship named after him at his alma mater, Ball State University.

What we miss

#10. Light colored socks

#9. Watermelons and other things hitting the ground

#8. Larry "Bud" Melman

#7. Small town news

#6. Pencils with erasers at both ends

#5. SuperDave

#4. Paul Shaffer and the "World's Most Dangerous Band"

#3. Viewer mail

#2. Answers from the audience

#1. Lists from David Letterman

David Letterman was recently photographed sporting a beard while running in a Ball State t-shirt and a smile on his face. Thanks for the dedication to your craft and enjoy your retirement, Mr. Letterman.