He should have just made cave alien into a movie.

The only funny parts of this movie that really made me laugh out loud were the cave alien scenes. The part were Bruce says "Dammit, we're surrounded!" then the troops start shooting and we get a close up of the soldier with the fake beard (brilliant reference to alien apocalypse). Also the part were Bruce has disapeered from the set and they use a dummy instead and just throw it at the cave alien and the director smiles and says "Brilliant".