
This episode covers unsolved mysteries including the Christmas Eve 1983 car accident in Mexico, the phenomenon of the mysterious hum, and the escape of inmate Randolph Dial.
The episode begins with a recounting of a tragic car accident involving the Dover family from Atlanta, Georgia, who were traveling to Mexico for Christmas when they lost control of their vehicle during a freak snowstorm. Fortunately, two American doctors happened upon the scene and helped save the lives of the family members.
Next, the episode discusses the mysterious hum that has been reported by over a thousand people worldwide. Individuals like Hal Rooney Anand and Sarah Allen share their experiences with this persistent sound, which many believe may be linked to military communication systems.
Finally, the episode highlights the escape of convicted murderer Randolph Dial from an Oklahoma prison, along with Bobby Parker, the deputy warden's wife. The circumstances surrounding their disappearance raise questions about whether she was abducted or willingly left with Dial.
Throughout the episode, viewers are encouraged to assist in solving these intriguing mysteries.
A family survives a car accident in Mexico, mysterious hums plague many, and inmate Randolph Dial escapes with the deputy warden's wife.

This episode stands out for the following:
Imagine being plagued by a loud annoying hum that grinds away incessantly.Unsolved Mysteries with Robert Stack - Season 7, Episode 20 - Full Episode
I’ll never quit until the last day in my life.Unsolved Mysteries with Robert Stack - Season 7, Episode 20 - Full Episode
Christmas brought a lot of joy to me knowing that she was there.Unsolved Mysteries with Robert Stack - Season 7, Episode 20 - Full Episode
They stopped and saved our lives.Unsolved Mysteries with Robert Stack - Season 7, Episode 20 - Full Episode
My wife did not leave voluntarily.Unsolved Mysteries with Robert Stack - Season 7, Episode 20 - Full Episode
I believe he took the latter.Unsolved Mysteries with Robert Stack - Season 7, Episode 20 - Full Episode