#1 - Deedeemensional 8.04
Season 1 - Episode 1
When Dexter falls victim to a terrifying creature brought forth by his latest invention, Dee Dee goes back in time to warn him. The events only end the episode with a permanent time loop.
#2 - Misplaced in Space
Season 2 - Episode 96
Dee Dee must save Dexter who is a slave in a distant galaxy.
#3 - Beard To Be Feared 7.68
Season 2 - Episode 1
After a fright from Dee Dee, Dexter lays down in the beard growing machine and tries to grow a beard like his hero, Action Hank. Unfortunately, everyone thinks he's a hero.
#4 - Overlabbing 8.29
Season 4 - Episode 3
Dexter and Mandark drill underground to expand their labs, but end up overlapping each other's work. They secretly devise a plan to destroy each other.
#5 - Sis-Tem Error
Season 4 - Episode 4
Dee Dee accidentally breaks down Dexter's lab, and she tries to not and let him know its broken.
#6 - Mind Over Chatter 8.11
Season 3 - Episode 4
Dexter uses a device to listen to what Dad is thinking, but the experiment backfires and everyone else can hear what Dexter is thinking.
#7 - Dexter Dodgeball 7.40
Season 1 - Episode 4
Dexter had tried to excuse himself out of P.E. (with a fake note), but the new coach does not buy it, so Dexter is forced to play dodgeball, fed up with losing, Dexter builds an exo suit to help him win, but is ironically hit with a dodgeball by Dee Dee. This episode is clearly inspired by the film Aliens, as the exo suit that Dexter wears is almost identical to the loader Ripley uses against the Queen.
#8 - Beau Tie 7.80
Season 4 - Episode 1
Dee-Dee has a new boyfriend who also likes science and Einstein, and soon the boy finds himself caught in a vicious tug of war...
#9 - Streaky Clean 7.46
Season 3 - Episode 1
Dexter creates a device to keep his clothes clean.
#10 - Quackor the Fowl 7.59
Season 2 - Episode 2
Mandark doesn't know that his pet duck is really Quackor the Fowl, Monkey's rival. Quackor overhears Mandark talking in his sleep about destroying Dexter's lab and tries to do it, unaware that Monkey is Dexter's pet.
#11 - A Dad Cartoon 6.90
Season 3 - Episode 2
Dad decides to give the car a retouch.
#12 - A Quackor Cartoon
Season 3 - Episode 5
Quackor returns to battle Monkey in Dexter's Lab.
#13 - Dexter's Library
Season 4 - Episode 6
When Dexter becomes the head of a library, he enforces the rules really hard, driving everyone crazy.
#14 - That Crazy Robot 7.81
Season 2 - Episode 6
One of Dexter's robots becomes Dee Dee's servant when she removes a wrench that froze him up, but the robot is willing to destroy anyone who is mean to her or scolds her, including Dexter.
#15 - Copping an Attitude
Season 3 - Episode 7
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.
#16 - The Scrying Game 7.67
Season 4 - Episode 7
Dee Dee learns a new game that can "predict peoples futures". She uses it on Dexter, and finds out that the game REALLY DOES predict peoples futures...
#17 - Dexter's Rival
Season 1 - Episode 7
Mandark enrolls at Dexter's school, quickly overshadowing Dexter and forces Dexter to shut down his lab to add more power to his own lab. When Mandark falls in love with Dee Dee, Dexter sets up a date between the two (only because he knew Dee Dee would destroy Mandark's lab).
#18 - Monstrosi-Dee Dee 7.67
Season 4 - Episode 8
A Monster starts roaming Dexter's lab, although Dexter doesn't know its just Dee Dee, who ate an apple in a failed lab experiment.
#19 - Dial M for Monkey: Magmanamus 7.82
Season 1 - Episode 2
Due to all the noise being made by all the citizens of the city on a daily basis, the monster Magmanamus is awakened. However, when he goes to the surface to try and get the people to be quiet, he ends up causing even more noise since the people are frightened of him. Now, Monkey prepares to fight him, unaware that Magmanamus only wants peace and quiet, so he can sleep.
#20 - Maternal Combat 7.73
Season 1 - Episode 3
Dexter creates a "Mom-Droid" robot to have it do all of his mother's duties when she falls ill. But a little carelessness makes the control of the "Mom-Droid" fall into the hands of his sister, DeeDee. Now, the "Mom-Droid" is causing all sorts of havoc around the house, so Dexter builds a "Super Mom-Droid" to combat the original one he made.
#21 - Remember Me
Season 4 - Episode 2
Dexter is hit by a wrench while working on a device, and suffers amnesia, Dee Dee decides to mess with his head
#22 - Hunger Strikes
Season 2 - Episode 9
Dexter uses radiation therapy so he can like vegetables, it actually causes him to only eat vegetables, also, the therapy has consequences if Dexter goes too long without them. He turns into a Parody of The Incredible Hulk without vegetables.
#23 - Dad Man Walking
Season 4 - Episode 9
Dexte'rs father begins to sleepwalk, and accidently stumbles into Dexter's Lab
#24 - Dial M for Monkey: Rasslor 7.67
Season 1 - Episode 5
Tired of never having a worthy opponent, intergalactic wrestling champion Rasslor arrives on Earth hoping to find someone who can actually prove to be a match for him. So, he challenges all of Earth's superheroes to wrestling matches aboard his ship, which they anxiously accept. However, Rasslor refuses to wrestle Monkey due to his size, even though Monkey is the most eager to wrestle him.
#25 - Momdark
Season 3 - Episode 6
Mandark disguises as Mom in order to get into Dexter's Lab.