To compete with the premiere of NBC’s The Tonight Show Starring Jimmy Fallon, David Letterman tonight welcomes the cast of CBS’ departing How I Met Your Mother, who read the night’s Top 10 List.  “Someone finally points out that I don’t sound like Bob Saget,” contributes Josh Radnor. (Watch the video below.) ABC is also helping its late-night franchise this week: Jimmy Kimmel Live gets a shot in the arm tomorrow when company Disney will unveil the world premiere of the first trailer for its latest Marvel pic Guardians Of The Galaxy. Star Chris Pratt will help out. The movie comes out August 1.

Here’s the full HIMYM Top-10 List: