Hikari Sentai Maskman A Trap! The Sinking Giant Robot Season 1 Episode 20 Airdate: July 18, 1987 Synopsis Momoko's pride as a kenpo teacher is tested by a powerful opponent set up by Anagmas as part of a scheme to defeat Maskman and Great Five. ← Phantom Magic! Anagumas All episodes The Black Shadow of the Misty Valley →