Old fox sitcom....?

i recently rembered an old sitcom and it has been driving me nuts to think of the name of it......it was on fox and it was about 4-5 people who were the last people on the planet...and they lived at the bottom of a hilll and at the top their was a giant rock that wouldnt let them leave.....it wouldve been early 90's.....and i think the fat guy from mad tv was on it.....i didnt like it or anything but i just want to know the name of it.....if you could help me out please email me....thanks..... Distorti011@hotmail.com

You're thinking of Woops!. This show was a Gilligan's Island type of rip-off that was on Fox during the Fall of 1992. Thirteen episodes were made, but only 10 episodes were aired. The show was so horrible, it's amazing it lasted that long. I found a program guide on the net:
http://www.nyx.net/~dnadams/guides/woops