1The Fountain of Cortez
The Chief and an archeologist are turned into babies from the fountain of youth.
2Evil U
Penny infiltrates a school for super villains in training where she becomes friends with Mal, one of the students.
3WereBrain of London
Brain is turned into a monster in London after Talon spills some sort of chemical on him.
4Airhead to the Throne
With Claw out of town Talon takes over MAD and begins destroying communication towers.
5Lost in the Lost City of Atlantis
Penny and Talon both race to find the City Sinker in the lost city of Atlantis.
6A Penny Saved
Dr Claw attempts to steal the world's largest coin (The Giganto) in order to hypnotize the population of New York.
7Double O'Penny
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.
8We Heart Gadget
Gadget and MAD agent Sue Donym go on a date, each trying to uncover secrets from the other.
9Tiny Talon Time
Talon shrinks himself in order to steal Gadget's schematics.
10Fellowsheep of the Ring
Everyone must go without technology when a tech nullifier is set up in New Zealand.
11A Clawruption
MAD plans to cause a Hawaiian volcano to erupt to blot put the sun.
12Forever MAD
MAD sets out to create a Broadway show with the goal of ruining all musicals.
13Beyond Gadgetdome
MAD sets out to deface as many world landmarks as possible in a competition with Baron Von Steeltoe.
14Brain Drain
In an attempt to steal HQ's passcodes Talon switches MADcat and Brain's minds.
15What Is...the MADtrix
Penny and Gadget are trapped in HQ's Holoroom with Talon in control.
16Most Extreme Gadget Challenge
Gadget enters a Japanese gameshow with MAD Cat as the host.
17Pyramid Scheme
Mad tries to sink the pyramids of Giza and Gadget must stop them.
18Back to the MAD Future
Talon is sent back in time to help Dr. Claw become a better villain.
19Tool Russia, With Love
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.
20Low Speed
As Gadget drives the HQ bus to an annual retreat Talon plants a booby trap on it.
- 21
The MADstache of Professor Coin/MADthuselah
- 22
The Heir Affhair/Parched Nemesis
- 23
Trees Company/MADtrack
- 24
The Missionball Ball/Tell Me What Sphinx
- 25
Harmageddon/Do No Arm
- 26
Inspector Gadget Goes to Jail/We Had a Really Good Title for This One... But We Forgot It