The Muppets once again are playing the music and lighting the lights on "The Muppet Show," the beloved variety show that ran from 1976 to 1981. The troupe of puppets returns Wednesday in a revival ...

Fifty years ago—even earlier if you count its two early pilots—The Muppet Show arrived to prove that a frog could host a variety show and that human celebrities could mix it up in sketch comedy and ...