The Man Who Knew Superboy's Secret
- Episode aired Oct 1, 1966
A man claiming to be from Krypton arrives on Earth and promises to help Superboy lose his weakness to Kryptonite, but is he what he seems to be?A man claiming to be from Krypton arrives on Earth and promises to help Superboy lose his weakness to Kryptonite, but is he what he seems to be?A man claiming to be from Krypton arrives on Earth and promises to help Superboy lose his weakness to Kryptonite, but is he what he seems to be?