Where to Watch
Region
Hoopla
Watch free
Included
The Roku Channel
Stream with ads
HD
Included
Pluto TV
Stream with ads
Included
Prices last updated September 20, 2026. Pricing and availability may vary by region.
powered by JustWatch
Season 4 Episodes
26 episodes
1
Frienemy of the State
When Talon is caught, Claw replaces him with Penny's friend Mal.
2
MADhenge
When Penny interferes with Talon's attempt to collect cosmic energy from Stonehenge, both Penny and Talon are given cosmic powers.
3
The Claw Who Stole Christmas
Claw sets out to end Christmas by unleashing cheer-destroying nanobots at a tree lighting ceremony.
4
The Thingy
Talon is sent to the North Pole to acquire a newly-discovered, unclassified, biological organism.
5
The Talon-ted Mr. Colin
Talon infiltrates HQ while undercover, hoping to get HQ's missile defense codes from Kayla.
6
MADzilla
MAD sets out to steal a size modification ray, but accidentally makes MADcat grow to giant size.
7
Anti-gravity
MAD attempts to steal a gravity nullifying device.
8
Too Many Talons
Claw sends Talon to steal a duplicating device, which Talon uses to duplicate himself.
9
Star Power
MAD begins stealing the "star power" from celebrities.
10
Panda-monium
Talon impersonates a panda to disrupt peace talks between two countries.
11
Under the MADnight Sun
MAD tries to mine a highly magnetic ore from the forest where Gadget and Penny are camping.
12
Skyrates Off the Starboard Bow!
MAD sets out to hijack Sir Owen Barnstormer's new Ultra Blimp Mark II and take its cold fusion power source.
13
Fate it ‘til You Make it
MAD tries to the Oracle of Delphi so they can use her ability to see the future.
14
Once Upon a Screentime
MAD sends out a hypnotizing image on every screen in the world.
15
The MADstache of Professor Coin
Talon disguises himself as Penny, while making Penny look like a MAD agent.
16
MADthuselah
Claw develops a device to make people old, making himself younger by comparison. Penny becomes a senior during a fight with Talon.
17
The Heir Affhair
Talon kidnaps a wealthy old lady and tries to convince her to make him her heir.
18
Parched Nemesis
MAD steals all the water in Metro City.
19
Trees Company
The MAD Weed-whacko has been rehabilitated, but Claw wants him to destroy Central Park in New York.
20
MADtrack
Gadget is assigned to transport Jacques Crankcase to prison, via a hover-train.
21
The Missionball Ball
MAD infiltrates HQ's Missionball Ball with a weapon that forces people to dance.
22
Tell Me What Sphinx
MAD attempts to find a superweapon in the Great Sphinx of Giza.
23
Harmageddon
MAD tries to redirect a comet so that it crashes into Metro City.
24
Do No Arm
Penny breaks her arm and is sent to a hospital where a MAD plot is afoot.
25
Inspector Gadget Goes to Jail
When Talon frames Gadget for shoplifting and gets him thrown in prison, Penny must break the rules to get him out.
26
We Had a Really Good Title for This One... But We Forgot It
MAD uses a memory eraser device to try and defeat Gadget.