Galaxy quest was the dumbest looking movie I ever heard of, until I started watching it and realized it was a spinal tap-esq joke on how bad that show was. A great nothing to do on a saturday afternoon flick.
Ensign: "Don\'t open that door! We don\'t even know if there is any oxygen on this planet! Are you trying to kill us all?" (holds breath)
Monk: [sniff] "smells ok"
That line was spoken by Guy "What\'s my last name?!" (aka Sam Rockwell). He might be the funniest character in that movie. Although, Monk is pretty funny too:
S. Weaver: Those could be the miner\'s.
Monk: Sure they\'re minor\'s, they\'re like 3 years old.
Hans Gruber: Miner\'s not minor\'s you idiot!!