Claw sends Talon to steal a dinosaur egg so he can clone an army of dinosaurs.

Talon disguises himself as Assistant Chief McFibber and infiltrates HQ.

MAD uses special drones to silence people's voices, starting with opera singers.

Talon steals a mutagen that causes plants to grow to enormous size.

When HQ runs low on funds, Gadget sets out to raise money.

Talon disguises himself as a Sweetie Scout in an effort to sneak into HQ and steal an invisibility spray.

MAD sets out to stop a peace summit between two nations.

Talon tries to steal Professor Von Slickstein's new AI, Mr. Security, but instead causes the it to go berserk.

MAD begins kidnapping the world's greatest chefs, so Gadget opens a restaurant to act as bait.

When MADcat begins consuming large amounts of catnip, Claw sets out to wipe out all plants, including catnip.

MAD steals bells from across the globe so they can build a device to level London.

When Gadget accidentally uses a time diamond to send himself, Brain, Penny and Talon back to the middle ages, Penny and Talon compete for possession of the gem.

Claw sends a robotic mole to spy on the HQ company picnic.

Claw enters MADcat in the Metro City talent show hoping to win the prize, being mayor for a day.

Talon impersonates Gadget's former band partner so they can record a new song for Claw. Meanwhile, Penny goes on her first solo mission.

Claw demands tunnels be dug under Metro City so that he can avoid gridlock traffic.

MAD searches for the key to immortality in Dracula's castle in Transylvania.

MAD infects HQ with a head-cold zombie virus.

Claw develops a brain-drainer, which Talon uses to steal other people's intelligence and make himself smarter.

Claw wants a magic crutch that causes bad luck so he can curse all his enemies.

Claw uses moonlight to create a ray that causes people to experience their worst fears.

When Gadget needs to be recertified, MAD tries to make sure he fails the recertification test.

Claw develops a helmet that will raise the intelligence of any animal and wants it used to create an alligator army.

MAD uses a weather machine to try and conquer the world.

MAD sets out to capture a long-crashed alien spacecraft.