Adventures of Superman
Season 1, Episode 7: The Birthday Letter
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Superman is implicated in the abduction of a young girl who is thought to have information concerning hidden counterfeit plates.
All Episodes - Season 1
Episode 1
Superman on Earth
Episode 2
The Haunted Lighthouse
Episode 3
The Case of the Talkative Dummy
Episode 4
Mystery of the Broken Statues
Episode 5
The Monkey Mystery
Episode 6
Night of Terror
Episode 7
The Birthday Letter
Episode 8
The Mind Machine
Episode 9
Rescue
Episode 10
The Secret of Superman
Episode 11
No Holds Barred
Episode 12
The Deserted Village
Episode 13
The Stolen Costume
Episode 14
Treasure of the Incas
Episode 15
Double Trouble
Episode 16
Mystery in Wax
Episode 17
Runaway Robot
Episode 18
Drums of Death
Episode 19
The Evil Three
Episode 20
The Riddle of the Chinese Jade
Episode 21
The Human Bomb
Episode 22
Czar of the Underworld
Episode 23
Ghost Wolf
Episode 24
Crime Wave
Episode 25
The Unknown People (1)
Episode 26
The Unknown People (2)