Episode 1
When Talon is caught, Claw replaces him with Penny's friend Mal.
Episode 2
When Penny interferes with Talon's attempt to collect cosmic energy from Stonehenge, both Penny and Talon are given cosmic powers.
Episode 3
Claw sets out to end Christmas by unleashing cheer-destroying nanobots at a tree lighting ceremony.
Episode 4
Talon is sent to the North Pole to acquire a newly-discovered, unclassified, biological organism.
Episode 5
Talon infiltrates HQ while undercover, hoping to get HQ's missile defense codes from Kayla.
Episode 6
MAD sets out to steal a size modification ray, but accidentally makes MADcat grow to giant size.
Episode 7
MAD attempts to steal a gravity nullifying device.
Episode 8
Claw sends Talon to steal a duplicating device, which Talon uses to duplicate himself.
Episode 9
MAD begins stealing the "star power" from celebrities.
Episode 10
Talon impersonates a panda to disrupt peace talks between two countries.
Episode 11
MAD tries to mine a highly magnetic ore from the forest where Gadget and Penny are camping.
Episode 12
MAD sets out to hijack Sir Owen Barnstormer's new Ultra Blimp Mark II and take its cold fusion power source.
Episode 13
MAD tries to the Oracle of Delphi so they can use her ability to see the future.
Episode 14
MAD sends out a hypnotizing image on every screen in the world.
Episode 15
Talon disguises himself as Penny, while making Penny look like a MAD agent.
Episode 16
Claw develops a device to make people old, making himself younger by comparison. Penny becomes a senior during a fight with Talon.
Episode 17
Talon kidnaps a wealthy old lady and tries to convince her to make him her heir.
Episode 18
MAD steals all the water in Metro City.
Episode 19
The MAD Weed-whacko has been rehabilitated, but Claw wants him to destroy Central Park in New York.
Episode 20
Gadget is assigned to transport Jacques Crankcase to prison, via a hover-train.
Episode 21
MAD infiltrates HQ's Missionball Ball with a weapon that forces people to dance.
Episode 22
MAD attempts to find a superweapon in the Great Sphinx of Giza.
Episode 23
MAD tries to redirect a comet so that it crashes into Metro City.
Episode 24
Penny breaks her arm and is sent to a hospital where a MAD plot is afoot.
Episode 25
When Talon frames Gadget for shoplifting and gets him thrown in prison, Penny must break the rules to get him out.
Episode 26
MAD uses a memory eraser device to try and defeat Gadget.
