Dexter sends Dee Dee back in time to save him from attack when he releases an inter-dimensional monster.
After repeated pummeling in the Gym class dodgeball game, Dexter arrives for class ready for action encased in an Armored Cyber-Sonic Exo-Jock Jumpsuit.
The new kid in school, Mandark, steals Dexter's spotlight and his ego when he finds Mandark has a bigger and better Laboratory.
Dexter and his cloning machine overheat when Dee Dee and her friends clone and re-clone themselves for Laboratory fun-time.
After regenerating a Tyrannosaurus Rex using some puppy-dog DNA, Dexter must recapture the dinosaur-doggie beast when Dee Dee decides to take it for a walk in the park.
When Dexter's latest invention comes up missing, He dawns his Anti-Cootie suit to search the most frightening, evil, and gross place known to Boykind...Dee Dee's room.
When Major Glory advertises that he's looking for a new sidekick, Dexter and Dee Dee each vow to be the chosen one.
Dexter is in love with his babysitter, Lisa.
Spying through Dee Dee's bedroom keyhole, Dexter thinks she is plotting against him。
When Dee Dee accuses Dexter of not knowing how to live in the outside world - and only in his lab, he asks her to show him the Dee Dee way of knowledge.
When three aliens want to take Dexter away to their planet, he offers them Dee Dee instead.
The new kid in school, Mandark, steals Dexter's spotlight and his ego when he find Mandark has a bigger and better laboratory.
Dee Dee dances into Dexter's Laboratory, puts on Dexter's inflatable suit, floats up above him and taunts him.
Dexter decides to emulate his hero, Action Hank, and grow a synthetic beard to make himself more rugged.
When Dexter's brain transplant experiment goes awry, his brain is switched with that of a mouse.
Dee Dee wants to play Monsters & Mazes with Dexter and his friends. Against Dexter's wishes, she is made the game master!
Dexter is denied dessert when he doesn't finish his vegetables. He decides to use gamma radiation to alter his tastebuds.
Dexter tries to entertain his ill sister by reading to her out of his science text. Bored by protons and neutrons, Dee Dee uses her imagination to make up a story of her own.
Dee Dee sees Big Daddy Fat doing a new dance on "Groove Train" and has to learn it.
During a fight with his sister over the chair in front of the TV, Dexter gets the idea to start labeling his things.
Because Dexter and Dee Dee can't bring themselves to flush their beloved dead fish, Fishy, down the toilet, Fishy's restless spirit haunts them.
Dee Dee keeps pelting Dexter with snowballs.
When the whole family goes to the carnival, Dexter can't go on a ride because he's too short. Using his lab, he makes himself grow taller, but can't stop.
Dexter finds that his normal scientific zeal is squelched one day when everything that can goes wrong,
When Dexter is harassed by two bullies and forced to go into the back of a school bus chasing his #2 writing implement, he must brave the legend of little Billy Blumberg who disappeared back there years ago.
While vacationing in the woods with his family, Dexter finds Sasquatch tracks and hopes to photograph the mythical beast.
Mom drops Dexter and two of his friends off at the Star Check Convention - they're dressed as Capt. Irk, Spork and Phones (respectively). Mayhem ensues when the three little checkies wander into the doll convention by mistake.
When Dexter and Dee Dee get their Action Hank and Pony Puffs decoder rings mixed up (respectively), each goes through the other's initiation.
When Dee Dee rescues a wounded turtle from a hawk's talons, Dexter helps rebuild the little shelled animal into a bionic powerhouse.
Dee Dee wants to join the choir, but her bad singing is making it impossible for Dexter to work.
Dexter and Dee Dee get stuck together by a Chinese Finger Puzzle, they track it to its maker in Chinatown, USA.
It's picture day at school and Dexter must face the truth: he is not photogenic. Using Dee Dee's Teen magazine as a guide for restructuring his physical appearance, Dexter becomes grotesquely handsome.
Being too young to watch an R-rated movie, Dexter tries to make Dee Dee and himself older than Mom and Dad.
"Dad tries to teach Dexter a sport, like all the other fathers and sons. But Dexter is just horrible at every sport - from baseball to football, soccer to badminton, Dexter stinks!
When Dexter has to have a "parent-principal" meeting at school, the boy genius is distraught. He's never been in trouble so how can he disappoint his parents now?
When Dexter has to have a "parent-principal" meeting at school, the boy genius is distraught.
When Dexter takes in a lost Labrador Retriever, he decides to enable the dog to talk.
Dexter wolfs down a burrito and suddenly feels a growing pain inside. After having his computer analyze the pain, Dexter thinks he's going to explode.
Dexter and Mandark face off in a battle of Titans. Dexter inadvertently develops a new breed of termites that eats metal instead of wood. Dee Dee's plant is slowly dying so Dexter gives her a flask of plant growth hormone.
When Dexter returns a little girl's stuffed bunny to her, she falls in love with him. She is soon stalking Dexter. With the help of Dee Dee, Dexter is eventually able to divert the girl's affections toward another little boy.
Dexter builds Dee Dee a huge robot after she tells him he can't. The problem begins when they use their robots to try to save a volcanic island from eruption.
Dexter wants to meet the original genius who invented fire and zips back in time. He grabs the unsuspecting and frightened caveman and brings him back to the lab.
When Dad sentences Dee Dee and Dexter to go to each other's rooms for breaking his coveted bowling trophy, Dexter freaks out.
When a bully who hates kids with funny accents sets his sights on Dexter, the boy genius has until 3:00 before he receives an after-school beating.
Dexter brings home a mentally deranged man, who looks like a scientist and is trying to pick up radio signals through a hand made hat of Styrofoam and trash.
Dexter and Dee Dee are unknowingly the focus of a "Wild Kingdom" type animal documentary. During Dexter's bathing ritual, he realizes he's being observed, runs, gets tranquilized, and upon awakening discovers he's been tagged.
While Dexter is working in his lab, one of the light bulbs burns out. Mom takes him to a giant hardware store in an exhausting journey to replace it.
Dexter develops a reverse belt. While wearing the belt to get a snack in the kitchen, Dee Dee sneaks into the lab to play with the belt controls.
ee Dee uses the lab computer to send her wish list to Santa Claus, but Dexter mocks her because he doesn't believe in the Santa.
In an episode that mirrors "Dexter's Rival," Dee Dee goes head to head with the new student in her dance class, Olga - Mandark's sister.
Through opera we see Dexter's origins leading up to the creation of his laboratory.
Dexter must save Japan from being destroyed by a monster, but his robot must be controlled by four people to function correctly, so Dexter must tell Dee Dee... and his parents.
When Dexter gets tired of spilling stuff on himself, he invents a washing machine satellite to zap out any spots. But when the satellite is nudged in space to a higher setting, the spots aren't the only things that get removed.
Dexter wants to know what Dad has gotten him for his birthday, so he creates an invention so he can read minds. But when it backfires, it's everyone else who can read Dexter's thoughts.
Dexter goes to college ready to learn only to discover it's party central. But when Dexter fries out by over-studying, he's ready to party and creates the biggest party ever.
"Poppa Wheelie" - Dexter's school has Career Day, "A Mom Cartoon" - Mom is shopping and suddenly a sale is announced. "Mockside of the Moon" - Dexter discovers that the moon is hallow and monsters are living inside.
Dexter sees that his parents are forgetting things and creates a device to download his memories before they are lost. But when Mandark shows up to steal memories, it's an all-out fight to keep Dexter's genius safe.
Mandark reveals the origin of his anger is from being named Susan and being raised by New Age parents who disallowed science. This comes to a head when he meets Dexter, a science genius, who disregards Susan as not being scientifically equal.
When Mandark downloads himself into Dexter's computer, Dexter must upload himself in order to combat this virus.
Uncle Magic comes to visit the family and promises to make Dee Dee disappear in a trick. Dexter poo-poos his Uncle's world of illusion and makes Dee Dee disappear via science.
When Dad won't let Dexter stay up for a late-night scary movie, Dexter sneaks down and watches anyway. Dad sees this and tries to scare Dexter. But then his own trick backfires as the two of them end up being scared by all the spooky sounds in the house.
When reading his latest comic book adventure isn't enough for Dexter, he makes a machine so he can create his own adventure. Dexter enters this comic book world and becomes a comic book hero himself-complete with his own supervillain to battle.
It's a flashback to the 80s as Mom deals with her germaphobia with the slob that will someday be her true love.
Dexter is convinced that life would be better if he had an older brother. But he soon learns Dee Dee wasn't really that bad.
Koosie's dog Peepers is stolen from Koosland. Koosie begs Dexter for help and Dexter must balance his world of science with Koosie's land of imagination.
Dee Dee brings home a boy who's not only cute-he's smart. Soon Dexter and Dee Dee are fighting for his attention.
Dee Dee accidentally shuts down the lab and must embody all of Dexter's lab so he doesn't find out.
Dee Dee reads Dexter's fortune and, much to his shock, the things she predicted actually start happening.
Dexter has shrunk his parents and put them in a model of the house. But the house isn't complete, so Dexter must scramble about before they discover the truth.
Dee Dee has a song stuck in her head-literally. Dexter discovers that Dee Dee has a viral boy band infecting her brain and must come up with a cure before it spreads throughout the world.
Dexter and Mandark attempt to defend their scientific turfs when a new scientific genius come to town. The only thing different is that this genius is a girl!
Dexter is a barbarian just trying to make his way to the bathroom.
Mandark thinks he's going to have a nice romantic evening with his lady love when Dee Dee shows up to babysit him.
When everyone but him has had a growth spurt, Dexter decides to try and make himself tall. When that fails, he switches things around, making everyone else short.
When Computer gets laryngitis, Dexter must find a replacement voice for her.
When Dad makes Dexter be his caddy, Dexter destroys the normally peaceful game of golf.
Dexter narrates as he shows new scientists the great inventions he has planned for a super, future, modern lab.
When Dee Dee starts layin' the judo on Dexter, he learns to fight back.
In this episode, Dexter makes a remote that turns people into animals, only for Dee Dee to get a hold of it. It first aired on February 26, 1995, and it re-aired as part of episode 4 of season one on May 19, 1996.
When Dee Dee eats an experimental cookie of Dexter's design, she grows extremely tall and makes the city her dollhouse, leaving it up to Dexter to don his giant Robo-Dexo suit and bring her back.
After Dexter is banned from watching The Late Early Movie due to his age, he decides to accelerate his age so that he can see the movie, but Dee Dee tampers with the age acceleration process, causing him to turn into a 95-year old man.
After working himself to hard, Dexter's brain snaps and he turns into, well, a dimwit. Dee Dee seizes the chance and has the now mind dead Dexter do some crazy things for the neighborhood to see.
As Dexter is putting the finish touches on his newest invention, the "Rude Removal System", Dee Dee shows up, interrupting Dexter as usual. Dexter explains his new invention and plan to Dee Dee, Dexter plans to remove the rudeness from Dee Dee, causing the siblings to engage in a fight.
When Dexter is attacked by Robots hunting "The one who saved the future", he becomes fascinated by the possibility of what he will be in several years time, taking the Time Machine. Dexter arrives in the future where he finds many things have changed...and that his greatest invention holds the key to total tranquility around the world, but in the hands of evil, also holds the key to total domination of the world
Just another Rap song...
Basically a Rap song on how Dexter always goes back to his lab to do everythin'.
