The Mysterious Cube (S06E04)
S06E04
A murderer seeks refuge in a bunker constructed from an unusual substance that even Superman can't break through, evading the grasp of justice.
Show
Ginny & Georgia
Episode
S06E04
Air Date
Feb 24, 1958
Season 6 Episodes
S06E01
The Last Knight
S06E02
The Magic Secret
S06E03
Divide and Conquer
S06E04
The Mysterious Cube
S06E05
The Atomic Captive
S06E06
The Superman Silver Mine
S06E07
The Big Forget
S06E08
The Gentle Monster
S06E09
Superman's Wife
S06E10
Three in One
S06E11
The Brainy Burro
S06E12
The Perils of Superman
S06E13
All That Glitters