After their parents are killed in a terrible accident, the four McMurrin children live with their loving Aunt Martha. Martha wants to adopt the children but the town's bitter old banker stands in their way. However, the children's courage and ingenuity triumph and they become a family just before the holidays.

When they were boys, Sam and Dean Winchester lost their mother to a mysterious and demonic supernatural force. Subsequently, their father raised them to be soldiers. He taught them about the paranormal evil that lives in the dark corners and on the back roads of America ... and he taught them how to kill it. Now, the Winchester brothers crisscross the country in their '67 Chevy Impala, battling every kind of supernatural threat they encounter along the way.

A passenger of a hijacked airliner who happens to be an airplane engineer works to deactivate a chemical weapons bomb after the hijackers kill the pilot and threaten to kill all the passengers on the plane.

Can you tell the difference between fact and fiction? Several stories of strange, mysterious and incredible occurrences are chronicled during each episode. It is up to the viewer to decide which stories actually happened and which were completely fabricated by the show’s writers. The answer is revealed by Jonathan Frakes at the conclusion of each episode.

Anthology series of composed of distinct story episodes, sometimes with a plot twist at the end, with occasional recurring story elements that were often tied together during season-finale clip shows.