3.) “Newhart,” “The Last Newhart” (1990)

Viewers were thrown a curve ball after enjoying nine seasons of this program starring comedian Bob Newhart as Dick Loudon, the owner of the Stratford Inn.

Loudon was hit in the head with a golf ball and has Dr. Robert Hartley take a look at the damage.

Ultimately, it turns out that the entire series was dreamed up by Dr. Hartley, Newhart’s character from “The Bob Newhart Show,” which ran from 1972 to 1978. At the end of “Newhart,” Dr. Hartley wakes up in a bed as his wife explains to him the weird dream he just had — which means that the entire show was a fantasy.

That fabulous twist in the finale may be more well-remembered than the show itself at this point.