Two entries from 1990--a movie star makes an early appearance before moving on to the big screen, and a dependable member of "Must See TV" from the makers of Cheers.

Five shows of 1990 begin, with casts including sitcom royalty--then quickly fade.

A knockoff, a return, a tough grandpa, and a plain old flop kick off the 90's.

Two flops, a spinoff, and a botched return wrap up the 80's.

A 1989 Mel Brooks flop is the meat between a thoughtful dramedy and a broad TGIF hit.

Three entries from 1989--a major hit, a show cancelled too soon, and a genuine flop.

An early FOX show is taken over by a supporting player, and two more 1989 sitcoms meet a early fate.

Four sitcoms from the summer of 1989--one lasted a while, while three crashed and burned.

Five flops in a row from 1989.

We begin 1989's sitcoms with a 2 multiyear hits and a flop for a sitcom vet.