Monster From The Dark Lagoon is the 11th episode of season 2.
Something smells fishy! An amphibious gillman has taken over Carnival City's sewer system and blocked it up. Naturally, Tenoroc has this planned for his escape. How can Matt ever stop him... with lemonade?
The episode starts with a Street Kid at the center of Carnival City when she saw some green gas coming from beneath the ground. She goes to it and inhales the awful smell just before a strange monster snatched her away!