In Power Rangers Dino Thunder episode 29, "Isn't It Lava-ly," Elsa turns volcanologist Dr. Morton into the Horn-Rimmed Monster to trigger a volcanic eruption, while Ethan loses his video game title to Devin. The Rangers, with Tommy's help, defeat the monster, and Trent does not appear in morphed form due to Sentai footage constraints. Read a detailed breakdown at RangerWiki . Isn't it Lava-ly | RangerWiki | Fandom