This, like Galaxy Quest
from the same year, is a wonderful spoof homage to its (at times) over-earnest medium.
Both are sharply written, both are filled with engaged actors, and both understand what they are meant to be - nothing but fun.
I don't need to see follow ups to either, as both hit all the targets they were aiming for. Anything more would be redundant.
- I don't need a compass to know which way the wind shines / By Grapthar's hammer... what a savings.