Season 2

The Chief and an archeologist are turned into babies from the fountain of youth.

Penny infiltrates a school for super villains in training where she becomes friends with Mal, one of the students.

Brain is turned into a monster in London after Talon spills some sort of chemical on him.

With Claw out of town Talon takes over MAD and begins destroying communication towers.

Penny and Talon both race to find the City Sinker in the lost city of Atlantis.

Dr Claw attempts to steal the world's largest coin (The Giganto) in order to hypnotize the population of New York.

After almost getting killed by a missile, Penny finally calls Gadget out for his incompetence and always putting her in danger, but she is driven with guilt. Meanwhile, Talon and Claw create a clone of Penny to destroy Gadget.

Gadget and MAD agent Sue Donym go on a date, each trying to uncover secrets from the other.

Talon shrinks himself in order to steal Gadget's schematics.

Everyone must go without technology when a tech nullifier is set up in New Zealand.

MAD plans to cause a Hawaiian volcano to erupt to blot put the sun.

MAD sets out to create a Broadway show with the goal of ruining all musicals.

MAD sets out to deface as many world landmarks as possible in a competition with Baron Von Steeltoe.

In an attempt to steal HQ's passcodes Talon switches MADcat and Brain's minds.

Penny and Gadget are trapped in HQ's Holoroom with Talon in control.

Gadget enters a Japanese gameshow with MAD Cat as the host.

Mad tries to sink the pyramids of Giza and Gadget must stop them.

Talon is sent back in time to help Dr. Claw become a better villain.

When MAD's latest mission in Siberia threatens to bring about a new ice-age, Gadget and Penny must team up with their Russian counterparts, Comrade Multi-Use-Tool and his niece Pasha.

As Gadget drives the HQ bus to an annual retreat Talon plants a booby trap on it.