Inspector Gadget S02 E03 Gadget Meets the Grappler

"Don't worry, chief. Inspector Gadget is always on duty."

The Gadget clan faces one last threat from M.A.D.'s Dr. Dumbkopf, which involves battling his hulking, irascible humanoid assistant named the Grappler. Fortunately, sweets, candies, and ultimately Penny's kindness help in soothing the soul of this misunderstood beast and thwarting Dr. Dumbkopf for the last time.