"Don't worry, chief. Inspector Gadget is always on duty."
Inspector Gadget is a clumsy, dim-witted human cyborg detective with various bionic gadgets built into his body. Gadget stumbles around working the cases while his niece and dog do most of the investigating. Gadget's arch-nemesis is Dr. Claw, the leader of an evil organisation, known as "M.A.D."
"Gadget goes to the Winterland Resort where the world's athletes are gathered for the opening of the Olympic games. Dr.Claw tries to ruin the Olympics by replacing the torch bearer with a M.A.D. Agent and replacing the torch with dynamite."
"Gadget brings Penny to the circus as he investigates a top-secret mission. The Inspector believes that Dr. Claw has replaced some of the circus performers with M.A.D. Agents! Gadget goes undercover as a clown to uncover the truth."
"Dr. Claw kidnaps Professor Von Slickstein, the brilliant scientist who invented all of Gadget's gadgets, and takes him to the Amazon to build an army of Gadget-like robots."
"Gadget enters the Gadget Mobile in a race and finds that Dr. Claw has also entered with a plot to eliminate him and his competition by sabotaging the other race cars."
"Gadget is sent to India to investigate a missing ruby, which has been stolen by M.A.D. to be used as an amplifying power source for a laser beam that will destroy an advanced satellite in space."
"Gadget has to guard the life of famed rock singer Rick Rocker, whom M.A.D. has sinister plans for. But Gadget winds up replacing Rocker as the current reigning King of Rock!"
"A prophet working for M.A.D. predicts doom for an island resort and plans to use his \"pineapple bombs\" to trigger the island's volcano to ensure his prediction comes true."