Hulu has released the first red-band trailer for Bobcat Goldthwait's upcoming comedy World's Greatest Dad. The film stars Robin Williams as a father who banks success off the death of his loser son. (warning: you must be of age to watch this trailer):

CLICK HERE to watch the red-band trailer right now!

World's Greatest Dad opens August 21st, 2009.

B. Alan Orange at Movieweb
B. Alan Orange