While looking for unrelated Tom Waits clips I stumbled across this fantastic appearance from the cult TV show, Fernwood 2 Night. The look on Mull's face as Waits performs is priceless. This is also where Tom gets off his famous Groucho-esque one liner, "I'd rather have a..." (No spoliers--watch the clip).
The series only lasted 2 seasons, I believe. I caught it on reruns on Nick at Night in the early 90s and was blown away by how funny and ahead of it's time this fake talk show was.
Who else remembers this?