Norm Macdonald & David Letterman -- first and last time appearance #normmacdonald #davidletterman

Norm Macdonald made his network television debut on May 10, 1990 on Late Night with David Letterman, and he was the last standup on Dave's show, May 15, 2015.

Later on, Norm had a podcast and this is the last time Dave and Norm were together, broadcast date of September 14, 2018. Norm passed away in 2021.