Season 3

Dexter creates a device to keep his clothes clean.

Dad decides to give the car a retouch.

After a failed mutation experiment, Dexter becomes Dee Dee's foot.

Dexter uses a device to listen to what Dad is thinking, but the experiment backfires and everyone else can hear what Dexter is thinking.

Quackor returns to battle Monkey in Dexter's Lab.

Mandark disguises as Mom in order to get into Dexter's Lab.

Because of his exceptional grades Dexter's school and parents have decided that he can go to college. At first Dexter is happy to be there so he can fill his mind with college knowledge, but in the end the students influence on Dexter allows him to do college pranks sending him a one way ticket back to Huber Elementary School.

Dexter creates a device taht doesn't work the way he wanted.

Dexter's mom takes him to his grandpa's house. At first he thinks it's going to be a boring day until he discovers that his grandpa has a secret lab!

It's career day and Dexter is ashamed of his Dad so he creates a Dad that looks more like him.

Mom spends a day at the supermarket.

Dexter travels to the moon and finds aliens that are planning to come to Earth to take everything.

Fearing that his memory might be limited, Dexter uses a device to save all his memories.

Mandark plans another scheme to get rid of Dexter.

Tired of missing his favorite TV shows because of studying, Dexter creates a special helmet that absorbs all the TV info.

How did a young child called Susan became the being now known as Mandark? Born to free spirits, and with a passionate determination to harness the forces of science for his own ends, this is his story...

Two robots escape from Dexter's lab in order to have a better life.

Mandark gets in Dexters computer raving havok, so Dexter must stop him.

After being kicked out of Dexter's Lab (AGAIN) She goes and plays in her ""lab"".

A girl accidentally takes Dexter's lunchbox, so Dexter and his friend must go into the girls bathroom to get it.

Dexter's Magic Uncle Ferger 'O Reiley pays a visit.

Dexter is trying to build his lab blue, but Dee Dee keeps making it pink.

Dexter creates a magnetic field to keep Dee Dee away from him.

Dexter creates a special device that lets him create his own life-like superhero comic... along with his sister villian ""Deestructa"".

Dad goes with the kids to play some golf.

Dexter creates the ultimate robot (RoboDexo 3000) to replace his previous 200 model.

Mom and Dad recall the moments that got them together.

Mom and Dad are having a discussion while playing scrabble, a discussion that Dexter and Dee Dee don't interpretate the right way.

The U.S. army invades Dexter's lab and Dexter fights them, each side thinking the other is a troop of aliens.

Dexter uses his newest creation to turn Dee Dee into a boy, but the male version of Dee Dee (Doo Dee) is not as cool as Dexter it would.

While Mom, Dexter and Dee Dee are out shopping, Dad decides to spend the afternoon dancing... like Tom Cruise in Risky Business.

Dexter must pass a physical bar exam if he wants to pass P.E.

Dexter and Koosy must save Peepers, otherwise the whole land of Koz will disappear.

Dexter and his family are kidnapped by aliens, Dexter leads his family in an escape attempt, but when Dexter is captured once more, Mom, Dad, and Dee-Dee attempt to save him.

Dexter and Dad watch a late night horror movie and spend a scary night in their house.

Both Dexter and Mandark's fathers intercede during another of Dexter and Mandark's petty squabbles, but their effort to get along with one another backfire, and the two also soon engage in a heated fight.