NPR's guide to the running gags from the show.
Tobias's acting mentor is the thrifty Carl Weathers.
8 episodes feature this joke:
Carl Weathers is cheap.
Carl Weathers loses his hand in Predator.
Related Joke: missing limbs
Tobias didn't get a lot out of Carl Weathers's method acting clinic.
Michael seeks guidance from Carl Weathers.
Sources: Joke data compiled by Adam Cole / NPR. Episode metadata from The TVDB via a Creative Commons Attribution 3.0 United States (CC BY 3.0 US) license.