Lionizer was a monster summoned by Astronema to help find Storm Blaster who escaped from Divatox's clutches. He appeared in the episode "True Blue to the Rescue". Divatox captured both Lightning Cruiser and Storm Blaster but the latter escaped from the Piranhatrons and found his friend Justin, the former blue Turbo ranger. Astronema sends Lionizer to find the truck but insteads captures the Space Rangers in a warehouse. Justin becomes a ranger again and rescues his old friends and the rangers fight Lionizer and the Quantrons. After the fight, they destroy Lionizer but is revived and grown to large size. He is then easily destroyed by the Mega Voyager.