Season 4 - Episode Guide

Episode: 4x01 | Airdate: May 18, 2018

With Talon locked away at HQ, Penny's longtime "frienemy" becomes Dr. Claw's new No. 2.

Episode: 4x02 | Airdate: May 18, 2018

Cosmic energy turns Penny and Talon into superpowered rivals.

Episode: 4x03 | Airdate: May 18, 2018

Dr. Claw plots to end Christmas by destroying all holiday cheer.

Episode: 4x04 | Airdate: May 18, 2018

Gadget and the gang head to the North Pole to find Dr. Claw's favorite "thingy."

Episode: 4x05 | Airdate: May 18, 2018

Talon hopes a chatty junior agent will give up HQ's missile defense codes.

Episode: 4x06 | Airdate: May 18, 2018

Dr. Claw wants a supersized army ... but winds up with a really big cat.

Episode: 4x07 | Airdate: May 18, 2018

MAD makes plans to break the most important law of all -- gravity -- and send everyone else floating into space.

Episode: 4x08 | Airdate: May 18, 2018

Talon accidentally clones himself.

Episode: 4x09 | Airdate: May 18, 2018

Gadget goes Hollywood to stop MAD from stealing a celebrity's star power.

Episode: 4x10 | Airdate: May 18, 2018

Talon puts on a panda suit to disrupt an important peace summit.

Episode: 4x11 | Airdate: May 18, 2018

Gadget and Penny rely on their senses to stop MAD when they're called into action on a camping trip.

Episode: 4x12 | Airdate: May 18, 2018

Talon dresses like a pirate to hijack a blimp.

Episode: 4x13 | Airdate: May 18, 2018

Dr. Claw sends Talon to kidnap the Oracle of Delphi so he can see into the future.

Episode: 4x14 | Airdate: May 18, 2018

Gadget goes to New York City to disable a hypnotic MAD device.

Episode: 4x15 | Airdate: May 18, 2018

A perma-disguisinator transforms Talon into Penny -- and gives the real Penny a mustache.

Episode: 4x16 | Airdate: May 18, 2018

A MADthuselah Machine turns Penny into a senior citizen.

Episode: 4x17 | Airdate: May 18, 2018

Talon attempts his own evil scheme while Dr. Claw's away at an anger management seminar.

Episode: 4x18 | Airdate: May 18, 2018

MAD steals Metro City's water supply.

Episode: 4x19 | Airdate: May 18, 2018

The new and improved MAD Weed Wacko loves trees so much that he wants to turn everyone into one.

Episode: 4x20 | Airdate: May 18, 2018

MAD plots a high-speed heist aboard a prison train.

Episode: 4x21 | Airdate: May 18, 2018

Talon poses as a DJ to drop sick beats -- and doom -- at the annual HQ ball.

Episode: 4x22 | Airdate: May 18, 2018

Dr. Claw sends Talon to Egypt to harness the power of the Sphinx.

Episode: 4x23 | Airdate: May 18, 2018

Dr. Claw orders Talon to hop on a comet and steer it straight toward Metro City.

Episode: 4x24 | Airdate: May 18, 2018

At the hospital, a MAD-made bandage controls Penny's every move.

Episode: 4x25 | Airdate: May 18, 2018

Gadget goes to jail when Talon frames him for shoplifting.

Episode: 4x26 | Airdate: May 18, 2018

A MAD device resets Gadget's memory, making him even more scatterbrained than usual.