David Letterman/Dermot Kennedy
- Episode aired Mar 21, 2019
- TV-G
- 45m
David Letterman (My Next Guest Needs No Introduction with David Letterman (2018)); Dermot Kennedy performs;David Letterman (My Next Guest Needs No Introduction with David Letterman (2018)); Dermot Kennedy performs;David Letterman (My Next Guest Needs No Introduction with David Letterman (2018)); Dermot Kennedy performs;