Stealth Bots emerge to attack Sally and her trainees.
Stealth 'Bots were robots created by Dr. Ivo Robotnik. They were of gigantic size and had the ability to literally blend in with their surroundings like walls, making them totally invisible until they re-appeared. After Geoffrey St. John and Sally Acorn revealed their plan to Robotnik about putting a stop to his scheme of replacing key members of the Freedom Fighters with Auto Automatons, Robotnik called forth the Stealth 'Bots and they appeared from the walls. They captured Sally, Hamlin and Dylan, but Geoffrey managed to signal the Rebel Underground along with Arlo and Penelope Platypus and they came to the rescue and stopped the Stealth 'Bots with their weapons. (PSM: #3)