Season 109 - Day 9 of 14

Each episode of this black and white TV show (1959-1964) presents a stand-alone story in which the characters find themselves dealing with often disturbing or unusual events, many times with a surprise ending and a moral.
Although predominantly a science-fiction show, it often presents paranormal and Kafkaesque unfoldigs that takes it in the direction of the fantasy and horror genres.
Which American anthology TV series was created by Rod Serling, who was also the show's host and narrator, delivering monologues at the beginning and end of each episode?
The success of the series has spawned several spin-off TV shows - most recently in 2019.