Sonic Underground (1999)

S01E33 Healer

Title: Healer Plot: A self-styled inventor arrives in Robotropolis, showcasing a machine that claims to undo the damage caused by Robotnik's roboticizer. Sonia, Manic, and Sonia go to witness the demonstration, and Sonia is inspired to use the technology to save a friend in need. Meanwhile, Sonic remains unconvinced about the machine's authenticity and takes it upon himself to dig deeper into the situation.