The "Making of..." programs are chock full of gags, spliced in between the more serious scenes of Talking Heads. Also the end credits. Oh, the end credits. Not really laugh-out-loud funny, more amusing. Like the production crew filming the animals as if they were actors, or the Earth tremors at the end of the Cretaceous turning out not to be the results of the meteor impact, but a random dromaeosaur construction-worker jackhammering the place.