Although this isn't the pilot episode of Rod Serling's series, "The Twilight Zone," it was this Rod Serling production that eventually led to "The Twilight Zone" TV series. It proved to be very popular with viewers, which led CBS to pursue a new series with Serling. Because TV viewers at the time were not used to the kind of surprise, twist endings for which "Twilight Zone" became noted (as in this episode), Desi Arnaz appeared on-screen at the end of the episode to offer his "explanation" of "what really happened."
Martin Balsam (Dr. Arnold Gillespie) later played Admiral Husband Kimmel in Tora! Tora! Tora! (1970), which likewise concerned the attack on Pearl Harbor.
Uses music which was later used in George A. Romero's Night of the Living Dead (1968).
This episode takes place on October 4, 1958 and from December 6 to December 7, 1941.