TV-PG
S6 • E12 Apr 20, 1958 25m8.0
A criminal who was sent to prison by Superman and the Planet staff goes to the Planet office and tells them of his intention to go after them. They respond that Superman will stop him. Only problem is that he wears a lead mask to conceal his identity and he has other men wearing the same mask. Eventually he captures all of the Planet staff and puts them in a perilous situation and Superman has but minutes to save each one of them.
