Complex sentence: Andy Kaufman made several appearances that were popular with the audience over the season, while "The Muppets in the Land of Gorch" bits were very unpopular with the audience and would be dropped from the show in the following season.
Split into simpler sentences: Andy Kaufman made several appearances that were popular with the audience over the season. While "The Muppets in the Land of Gorch" bits were very unpopular with the audience and would be dropped from the show in the following season.