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When Dr. Claw returns, Inspector Gadget is brought out of retirement to defeat him again, now with Penny and Brain's open participation.
When Talon is caught, Claw replaces him with Penny's friend Mal.
When Penny interferes with Talon's attempt to collect cosmic energy from Stonehenge, both Penny and Talon are given cosmic powers.
Claw sets out to end Christmas by unleashing cheer-destroying nanobots at a tree lighting ceremony.
Talon is sent to the North Pole to acquire a newly-discovered, unclassified, biological organism.
Talon infiltrates HQ while undercover, hoping to get HQ's missile defense codes from Kayla.
MAD sets out to steal a size modification ray, but accidentally makes MADcat grow to giant size.
MAD attempts to steal a gravity nullifying device.
Claw sends Talon to steal a duplicating device, which Talon uses to duplicate himself.
MAD begins stealing the "star power" from celebrities.
Talon impersonates a panda to disrupt peace talks between two countries.
MAD tries to mine a highly magnetic ore from the forest where Gadget and Penny are camping.
MAD sets out to hijack Sir Owen Barnstormer's new Ultra Blimp Mark II and take its cold fusion power source.
MAD tries to the Oracle of Delphi so they can use her ability to see the future.
MAD sends out a hypnotizing image on every screen in the world.
Talon disguises himself as Penny, while making Penny look like a MAD agent.
Claw develops a device to make people old, making himself younger by comparison. Penny becomes a senior during a fight with Talon.
Talon kidnaps a wealthy old lady and tries to convince her to make him her heir.
MAD steals all the water in Metro City.
The MAD Weed-whacko has been rehabilitated, but Claw wants him to destroy Central Park in New York.
Gadget is assigned to transport Jacques Crankcase to prison, via a hover-train.
