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Dexter's Laboratory (1996 – 2003)

1996 • 4 seasons • Animation, Comedy • TV-Y7
On September 20, 2026
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All seasons

Dexter's LaboratorySeason 1

38 episodes · Apr 28, 1996

1. DeeDeemensional
Apr 28, 1996 · 7m · 7.0

In "Deedeemensional," Dee Dee journeys through time to rescue Dexter from a monstrous threat. "Magmanamus" finds Monkey confronting a being of living lava, angered by the clamor of humanity. And in "Maternal Combat," when his mother suffers

2. Dial M for Monkey: Magmanamus
Apr 28, 1996 · 7m · 7.0

The city's fate rested on Monkey's shoulders. A monstrous entity, Magmanamus, stirred beneath the streets – a colossal being of lava and fire, roused to fury by the ceaseless activity of the city above. Unable to find rest from the din, Mag

3. Maternal Combat
Apr 28, 1996 · 7m · 7.0

With his mother ailing, Dexter conceived of a robot to manage her household tasks. Unfortunately, Dee Dee discovered the robot’s remote and unleashed a torrent of chaos, compelling Dexter to build a second automaton, designed to counteract

4. Dexter Dodgeball
May 5, 1996 · 7m · 7.0

Mr. Abernathy, their physical education teacher, insisted on a game of dodgeball. Dexter, unfortunately, proved consistently inept at the sport. Determined to remedy his shortcomings, he embarked on a project: the construction of a robotic

5. Dial M for Monkey: Rasslor
May 5, 1996 · 7m · 7.0

The reigning intergalactic wrestling champion, Rasslor, has issued a challenge to Earth’s assembled heroes, a contest with the very fate of the planet hanging in the balance, including the agile Monkey among them.

6. Dexter's Assistant
May 5, 1996 · 7m · 7.0

Dexter, seeking a capable assistant for his newest creation, resorts to a drastic measure: he transplants a brain into Dee Dee, hoping to bestow upon her the intellect required for the task. The procedure yields unexpected results; with the

7. Dexter's Rival
May 12, 1996 · 7m · 7.0

Mandark Astronomanov, a newcomer to Dexter's Academy, projects an air of intellectual dominance over his classmate. He compels Dexter to cease his experiments, desiring to amplify the power of his own laboratory. Yet, with unexpected assist

8. Dial M for Monkey: Simion
May 12, 1996 · 7m · 7.0

Deep in the jungle's heart, Monkey found himself face to face with Simion. Simion was no ordinary creature; he possessed a keen intellect and the form of a man, yet retained the essence of a chimpanzee. A simmering resentment burned within

9. Old Man Dexter
May 12, 1996 · 7m

Too young for the late-night film, Dexter turned to his inventions. He sought to accelerate his growth, to become an adult through science. But his sister, Dee Dee, with her customary mischief, interfered with his device. The result was not

10. Double Trouble
May 19, 1996 · 7m · 7.0

Dee Dee, along with her companions Lee Lee and Mee Mee, burst into Dexter’s laboratory, unleashing a wave of chaos. In response, Dexter creates a duplicate of himself, hoping to quell the disruption. However, the girls prove equally inventi

11. Dial M for Monkey: Barbequor
May 19, 1996 · 7m · 7.0

The festivities of Monkey’s birthday celebration are rudely interrupted by Barbequor, a villain of interstellar renown whose appetite extends to entire planets, and his companion, the Silver Spooner.

12. Changes
May 19, 1996 · 7m

A repeat broadcast of "Dexter's Laboratory," the original pilot episode that launched from "What a Cartoon!"

13. Jurassic Pooch
May 26, 1996 · 7m · 7.0

Dexter, attempting to resurrect a dinosaur from fragmented genetic material, employs the genetic code of his canine companion to bridge the missing sequences.

14. Dial M For Monkey: Orgon Grindor
May 26, 1996 · 7m · 7.0

During a date with Agent Honeydew, Monkey found himself ensnared by the hypnotic music emanating from the Organ Grindor. Under its spell, he was commanded to commit the audacious crime of robbing Fort Knox.

15. Dimwit Dexter
May 26, 1996 · 7m

Exhaustion often overwhelms Dexter, and when it does, his mind seems to simply cease functioning, leaving him appearing foolish.

16. Dee Dee's Room
Jun 2, 1996 · 7m · 7.0

Having pilfered his most important creation, Dee Dee was the target of Dexter's pursuit. He made his way to her room, determined to recover what was rightfully his.

17. Dial M For Monkey: Huntor
Jun 2, 1996 · 7m · 7.0

Deep in the jungle, Monkey’s path crossed with that of Huntor, an alien hunter of formidable skill. The encounter quickly escalated into a desperate struggle; Monkey found himself compelled to fight for the safety of Agent Honeydew and Comm

18. The Big Sister
Jun 2, 1996 · 7m

A repeat broadcast of the second pilot episode for the animated series.

19. Star Spangled Sidekicks
Nov 20, 1996 · 7m · 7.0

Dexter and Dee Dee auditioned for the role of Major Glory’s assistant. When Dee Dee was selected, Dexter came to understand that elaborate costumes were not the sole measure of a hero.

20. The Justice Friends: TV Super Pals
Nov 20, 1996 · 7m · 7.0

The single television in their apartment became a battleground of preferences. Major Glory favored the broadcast of the Disgruntled Postman’s capture; Krunk championed the saccharine charm of *TV Puppet Pals*; and Valhallen insisted on the

21. Game Over
Nov 20, 1996 · 7m · 7.0

Dexter and Dee Dee’s father purchased a video game for their enjoyment. However, upon inserting the cartridge, the game unexpectedly draws Dexter into its world. It falls to Dee Dee to retrieve him.

22. Babysitter Blues
Nov 27, 1996 · 7m · 7.0

Dexter harbored a secret affection for Lisa, his teenage babysitter. The discovery that she was in a relationship ignited a desperate plan within him. Driven by longing, he subtly undermined their connection, a calculated move to fast-forwa

23. The Justice Friends: Valhallen's Room
Nov 27, 1996 · 7m · 7.0

When Valhallen misplaced his enchanted axe, a curious transformation began: he started to behave with an unsettling eagerness for trivia and a distinct lack of bravado. Faced with this sudden shift, Major Glory and Krunk found themselves co

24. Dream Machine
Nov 27, 1996 · 7m · 7.0

As Dexter’s nightmares grew increasingly disruptive, he devised a machine to ensure peaceful slumber. The device promised pleasant dreams, but only if Dee Dee could manage its controls while remaining conscious.

25. Dollhouse Drama
Dec 4, 1996 · 7m · 7.0

A nagging doubt consumed Dexter: Dee Dee had not once ventured into his laboratory that day. Driven by this suspicion, he shrunk himself and slipped into her room, intending only to observe. He found himself unexpectedly cast as a participa

26. The Justice Friends: Krunk's Date
Dec 4, 1996 · 7m · 7.0

Amidst the conflict with Comrade Red and his followers, Krunk finds himself unexpectedly drawn to She-Thing, a figure of equal standing within the opposing gang.

27. The Big Cheese
Dec 4, 1996 · 7m · 7.0

Dexter’s latest invention promised to let him prepare for his French exam while he slept. Unfortunately, a glitch in the device resulted in a single phrase—"omelette du fromage"—repeating endlessly throughout the night. He awoke the followi

28. Way of the Dee Dee
Dec 11, 1996 · 7m · 7.0

Dee Dee showed Dexter a different way to exist, one that embraced life beyond the confines of scientific pursuit and the isolation it fostered. She guided him toward a richer existence, away from loneliness and towards a more balanced persp

29. The Justice Friends: Say Uncle Sam
Dec 11, 1996 · 7m · 7.0

Major Glory insisted that Krunk and Valhallen tidy their apartment. The reason was a visit from Uncle Sam, a guest whose arrival demanded a level of domestic order the duo rarely achieved.

30. Tribe Called Girl
Dec 11, 1996 · 7m · 7.0

Dexter, seeking a deeper understanding of girls, adopted a disguise and infiltrated Dee Dee’s room. There, he found her hosting a sleepover with friends, Lee Lee and Mee Mee. The girls discovered him, and with playful insistence, drew him i

31. Spacecase
Dec 18, 1996 · 7m · 7.0

Fearing abduction by extraterrestrials for scientific probing, Dexter devised a scheme to divert the attention of his sister, Dee Dee, and send her in his place. The ruse worked, but the immediate relief soured into a sharp regret as Dexter

32. The Justice Friends: Ratman
Dec 18, 1996 · 7m · 7.0

Krunk and Valhallen descended to the basement to address a plumbing issue in their apartment, and there they encountered Ratman. The vigilante was surprisingly small, having been raised by a colony of rats – a peculiar echo of the Caped Cru

33. Dexter's Debt
Dec 18, 1996 · 7m · 7.0

The fate of Dexter's laboratory hangs precariously in the balance; a looming debt to NASA threatens to seize his creation. Desperate to avert this crisis, he sees an opportunity when Dee Dee unexpectedly wins a lottery prize equivalent to t

34. The Justice Friends: Bee Where?
Dec 25, 1996 · 7m · 7.0

A persistent bee had taken up residence in Major Glory, Krunk, and Valhallen's apartment, and the three of them made a concerted effort to dislodge the unwelcome guest.

35. Mandarker
Dec 25, 1996 · 7m · 7.0

With his laboratory in ruins, the work of Dexter and Dee Dee having wrought irreparable damage, Mandark resolved to employ the arcane arts in his pursuit of victory at the upcoming science fair. He would use magic to overcome Dexter.

36. Inflata Dee Dee
Jan 1, 1997 · 7m · 7.0

Dee Dee inflated Dexter’s hydro-plasmatic suit, and drifted skyward, a constant, buoyant presence that necessitated Dexter’s efforts to bring her back to earth.

37. The Justice Friends: Can't Nap
Jan 1, 1997 · 7m · 7.0

Following their successful apprehension of a formidable villain, Justice Friend White Tiger was invited by Valhallen to spend the night in his apartment. The invitation, however, overlooked a crucial detail: Major Glory possessed a severe a

38. Monstory
Jan 1, 1997 · 7m · 7.0

Dexter, weary of Dee Dee’s protracted narratives, offered her a silencing formula. The concoction, however, had the opposite effect, transforming her into a colossal being even more determined to recount her tale. Realizing the futility of

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