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41 Episodes 1997 - 1998
Episode 0
Tue, Jan 22, 20137 mins
When Dexter creates a new invention to get DeeDee's rudeness under control, her foolish antics cause both her and Dexter to end up in the machine, resulting in them becoming polite, and their rude, evil counterparts being made. Now, the polite Dexter and DeeDee must find a way to rid of the disrespectful clones of themselves before they cause even more trouble.

Episode 1
Wed, Jul 16, 199723 mins
Dexter decides to emulate his hero, Action Hank, and grow a synthetic beard to make himself more rugged.
Episode 2
Wed, Jul 23, 199723 mins
When Dexter's brain transplant experiment goes awry, his brain is switched with that of a mouse.
Episode 3
Wed, Jul 30, 199723 mins
"D & DD" Dee Dee wants to play Monsters & Mazes with Dexter and his friends. Against Dexter's wishes, she is made the game master! Dexter is relegated to a secondary character, but his friends have a great time in Dee Dee's world. "Ham Hocks n' Arm Locks" While on a road trip, car trouble forces Dexter and his family to pull into a truck stop. When Earl, a local arm wrestling champ, gets Dad angry, they decide to have an arm wrestling contest. Knowing Dad has no chance of winning, Dexter comes up with a technological way to make Dad stronger.
Episode 4
Wed, Aug 6, 199723 mins
Dexter is denied dessert when he doesn't finish his vegetables. He decides to use gamma radiation to alter his tastebuds.
Episode 5
Wed, Aug 13, 199723 mins
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.
Episode 6
Wed, Aug 20, 199722 mins
Dee Dee sees Big Daddy Fat doing a new dance on "Groove Train" and has to learn it.
Episode 7
Wed, Aug 27, 199723 mins
During a fight with his sister over the chair in front of the TV, Dexter gets the idea to start labeling his things.
Episode 8
Wed, Sep 3, 199724 mins
"Filet of Soul": Dexter and Dee Dee are haunted by the ghost of a dead goldfish. "Golden Diskette": Dexter obsessed with finding a golden diskette to get a unprecedented tour of an eccentric inventor's mysterious factory.
Episode 9
Wed, Sep 10, 199723 mins
Dee Dee keeps pelting Dexter with snowballs.
Episode 10
Wed, Sep 17, 199723 mins
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.
Episode 11
Wed, Sep 24, 199723 mins
In "A HARD DAY'S DAY", every day is a fine day for science until things take a turn for the worse thanks to the position of the stars in the sky. In "ROAD RASH", Dexter's mom forces Dexter to go outside and ride a bike, with Dee Dee challenging him to catch her on her roller blades, resulting in a chase similar to one between Wile E. Coyote and the Road Runner. In "OCEAN COMMOTION", on a visit to the beach, Dee Dee (dressed in a mermaid bathing suit) gets kidnapped by some manic seafarin' sailors and Dexter vows to save her.
Episode 12
Wed, Oct 1, 199723 mins
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.
Episode 13
Wed, Oct 8, 199723 mins
While vacationing in the woods with his family, Dexter finds Sasquatch tracks and hopes to photograph the mythical beast.
Episode 14
Wed, Oct 15, 199723 mins
In "STAR CHECK UNCONVENTIONAL", Dexter and two friends are on their way to the Star Check convention, only to not wind up exactly where they wanted. In "DEXTER IS DIRTY", Dexter will do anything to avoid bathing forever... even laminate himself. In "ICE CREAM SCREAM", Dexter tries to get the ice cream vendor to stop to allow him to get some ice cream, but the vendor isn't too keen on doing that.

Episode 15
Wed, Oct 22, 199723 mins
When Dexter and Dee Dee get their Action Hank and Pony Puffs decoder rings mixed up (respectively), each goes through the other's initiation.
Episode 16
Wed, Oct 29, 199723 mins
When Dee Dee rescues a wounded turtle from a hawk's talons, Dexter helps rebuild the little shelled animal into a bionic powerhouse.
Episode 17
Wed, Nov 5, 199723 mins
Dee Dee wants to join the choir, but her bad singing is making it impossible for Dexter to work.; An emergency broadcast signal interrupts Dexter's favorite show; Dee Dee and Dexter go to the city to find Dee Dee's teddy bear.

Episode 18
Wed, Nov 12, 199723 mins
Dexter and Dee Dee get stuck together by a Chinese Finger Puzzle, they track it to its maker in Chinatown, USA.
Episode 19
Wed, Nov 19, 199723 mins
Dexter Detention: Dexter is unfairly punished for yelling out an answer during a test by being sent to detention and if that isn't bad enough, the detention teacher is running the classroom as if it were a prison. Will poor Dexter and the other students in detention be able to find a way out?
Episode 20
Wed, Nov 26, 199723 mins
Being too young to watch an R-rated movie, Dexter tries to make Dee Dee and himself older than Mom and Dad.
Episode 21
Wed, Dec 3, 199723 mins
"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!

Episode 22
Wed, Jan 14, 199823 mins
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?
Episode 23
Wed, Jan 21, 199823 mins
"Sister Mom": Dexter is so worried about something bad he did at school that, when his mother is called on it, he has Dee Dee turned into their mother instead. "The Laughing": Dexter is accidentally bitten by a clown and turns into one himself at night.

Episode 24
Wed, Jan 28, 199823 mins
When Dexter takes in a lost Labrador Retriever, he decides to enable the dog to talk.
Episode 25
Wed, Feb 4, 199823 mins
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.
Episode 26
Wed, Feb 11, 199823 mins
Mandark and Dexter battle each other with Rushmore Presidents Washington and Lincoln brought to life. / Dexter has a metal eating termite named Timmy as a pet. / Dee Dee uses way too much of Dexter's super growth formula in the backyard and turns the plants into man eating monsters.
Episode 27
Wed, Feb 18, 199823 mins
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.

Episode 28
Wed, Feb 25, 199823 mins
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.
Episode 29
Sat, Feb 28, 199823 mins
'Paper Route Bout": Dee Dee starts a paper route, but finds herself up against some ninjas. "The Old Switcharooms': after they destroy their father's bowling trophy, he sends Dexter and Dee Dee to each other's rooms. 'Trick or Treehouse': Dee Dee builds herself a treehouse and Dexter is anxious to know what's going on.

Episode 30
Sun, Mar 1, 199823 mins
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.
Episode 31
Wed, Mar 4, 199822 mins
Dad tries to watch a golf game but is constantly interrupted; Dexter gains popularity with broken glasses; Dexter brings home an eccentric man with a lot of electronics on his head.

Episode 32
Wed, Mar 18, 199823 mins
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.
Episode 33
Wed, Mar 25, 199823 mins
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.
Episode 34
Sat, Feb 21, 199823 mins
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.
Episode 35
Wed, Apr 29, 199823 mins
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.
Episode 36
Wed, Mar 11, 199823 mins
A nature documentary team observes "Blackfoot" (Dexter) and "Slim" (Dee Dee) in their "natural habitat". Dexter is trapped in his school by the janitor in revenge for making him work late everyday due to Dexter's habit of leaving the school last everyday. Dexter invents a robot parrot that happily repeats self-congratulatory comments he makes, but when it starts repeating things about his lab and escapes, he sets out to destroy it before it tattles to his parents.

Episode 37
Wed, Apr 1, 199823 mins
Dee 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.
Episode 38
Wed, May 13, 199823 mins
Through opera we see Dexter's origins leading up to the creation of his laboratory.
Episode 39
Mon, Jun 15, 199825 mins
In England as part of a student exchange program, Dexter gets involved in a battle.
Episode 40
Mon, Jun 22, 1998