The second of the six original Moonlight Mask films.
- Compressed Adaptation: The Moonlight Mask TV series' Skull Mask arc, which totaled 72 installments, was adapted into two films.
- Disney Villain Death: Professor Akaboshi (Skull Mask) falls off a cliff after being unmasked.
- Dramatic Unmask: Skull Mask is unmasked to reveal Professor Akaboshi.
- Film Serial: Follows Moonlight Mask.
- Previously on…: Opens with a recap of the previous film.
- Two-Part Episode: Part 2 of 2.