They thought they were going to explore a new planet.
Instead, they somehow turned around and returned to earth.
A future earth.
An earth ruled by.....goats!
Planet of the Goats!
Starring Joy Behar, Bill Clinton and Bill Gates!
“You maniacs! You blew it up! Ah, damn you all to hell! Pass the mutton.”
Well, at least the damn sheep were defeated .... Heh.