Arthur must regain his human size to stop Maltazard, who has grown to 7 feet tall and is terrorizing humans. With Selenia and Betameche, Arthur plans to infiltrate his house, catch an electric train, and find an elixir to restore his size. However, they must evade Darkos, Maltazard's son, who is also after them.
Arthur 3: The War of the Two Worlds
Arthur, now smaller than ever, must team up with Selenia and Betameche to find a solution to reverse his miniaturization and defeat the formidable Evil M once and for all.