The Man Who Knew Superboy's Secret

A man arrives claiming to know that Superboy is really Clark Kent. The man claims to be from Krypton. He offers Superboy an antidote to Kryptonite. The man is really an alien from another planet who wants to trick Superboy into losing his powers. Superboy does not fall for the deception because he is suspicious of the man due to a scar on his body.

Release Date: 1966-09-10
Seasons: 1 2 3
TMDb: 4.7/10
  • Country: US
  • Language: English
  • Runtime: 6

Other episodes for this season

The Spy From Outer Space (1)
Episode 1 - The Spy From Outer Space...
The Spy From Outer Space (2)
Episode 2 - The Spy From Outer Space...
Krypto's Calamitous Capers
Episode 3 - Krypto's Calamitous Caper...
The Man Who Knew Superboy's Secret
Episode 4 - The Man Who Knew Superboy's Secret
The Deep Sea Dragon
Episode 5 - The Deep Sea Dragon
Super Clown of Smallville
Episode 6 - Super Clown of Smallville
The Visitor from the Earth Core
Episode 7 - The Visitor from the Eart...
The Beast that went Berzerk
Episode 8 - The Beast that went Berze...
Superboy's Strangest Foe
Episode 9 - Superboy's Strangest Foe
The Capricious Crony
Episode 10 - The Capricious Crony
Krypto, Super Seeing-Eye Dog
Episode 11 - Krypto, Super Seeing-Eye...
The Black Knight
Episode 12 - The Black Knight
Operation Counter Invasion
Episode 13 - Operation Counter Invasio...
The Jinxed Circus
Episode 14 - The Jinxed Circus
Hurricane Fighters
Episode 15 - Hurricane Fighters
Superboy's Super-Dilemma
Episode 16 - Superboy's Super-Dilemma
A Devil of a Time
Episode 17 - A Devil of a Time
Revolt of Robotville
Episode 18 - Revolt of Robotville