"It's a Good Life," which served as the basis for the 1961 Twilight Zone episode of the same name. Don Keefer appears as Dan Hollis in The Twilight Zone Season 3, Episode 8, titled "It's a Good Life." Other iconic Twilight Zone episodes based on short stories include "To Serve Man," "Nightmare at 20,000 Feet," "The Howling Man," "Five Characters in Search of an Exit," and "Time Enough at Last." Interestingly, "It's a Good Life" remains the only classic episode of The Twilight Zone to receive a direct sequel. Classic episodes of The Twilight Zone air regularly on SYFY.