Get passed the not-so-subtle parody moments (2001, Armageddon, Alien, etc...). This flick is a sure crowd pleaser. Not since Airplane! have I laughed so hard watching a spoof. Not since Hot Shots fine actors have done such a good job at playing low-key. As in other movies of the sort, the bigger gags tend to fall flat and it's the little jokes that get the louder laughs. Sure, the filmmakers show off a little with CG FX, but they never take themselves seriously. The whacked out humor never gets heavy and at times the writers even try themselves at cynicism and poetry without ever bloating their work. Always absurd, never disappointing.