The Twilight Zone is an American science-fiction, fantasy, psychological-supernatural horror anthology television series created by Rod Serling, which ran for five seasons on CBS from 1959 to 1964. The series consists of unrelated dramas depicting characters dealing with paranormal, futuristic, Kafkaesque, or otherwise disturbing or unusual events; characters who find themselves dealing with these strange, sometimes inexplicable happenings are said to have crossed over into "The Twilight Zone". Each story typically features a moral and a surprise ending.
The series is notable for featuring both established stars and younger actors who would become more famous later on. Serling served as executive producer and head writer; he wrote or co-wrote 92 of the show's 156 episodes. He was also the show's host and narrator, delivering monologues at the beginning and end of each episode. Serling's opening and closing narrations usually summarize the episode's events encapsulating how and why the main character(s) had entered the Twilight Zone.
In 1997, the episodes "To Serve Man" and "It's a Good Life" were respectively ranked at 11 and 31 on TV Guide's 100 Greatest Episodes of All Time; Serling himself stated that his favorite episodes of the series were "The Invaders" and "Time Enough at Last," In 2016, it was ranked No. 8 on Rolling Stone's list of the 100 greatest shows of all time. In 2002, The Twilight Zone was ranked No. 26 on TV Guide's 50 Greatest TV Shows of All Time.
In 2013, the Writers Guild of America ranked it as the third best-written TV series ever and TV Guide ranked it as the fifth greatest show of all time.