Dexter's Laboratory

In "Deedeemensional," Dee Dee attempts to rescue Dexter from a mysterious monster by traveling through time. In "Magmanamus," Monkey confronts a fiery lava creature that is disturbed by human noise. In "Maternal Combat," Dexter builds a robotic mother to replace his real one when she becomes incapacitated.

Monkey faces the challenge of protecting the city from Magmanamus, a giant underground lava creature disturbed by the noise of the city's inhabitants, which prevents it from sleeping.

Dexter builds a robot to help with household chores after his mother becomes ill, but Dee Dee takes control of it using the remote, causing chaos. To fix the situation, Dexter constructs a second robot to counteract Dee Dee's disruptions.

Dexter struggles with dodgeball during physical education class and, frustrated by his repeated failures, devises a robotic exoskeleton to improve his performance.

Intergalactic wrestling champion Rasslor issues a challenge to Earth's superheroes, including Monkey, in a high-stakes battle that could determine the fate of the planet.

Dexter undergoes a brain transplant to enhance Dee Dee's intelligence so she can assist him with his latest invention. However, the procedure results in Dee Dee surpassing Dexter in intellect.

Mandark Astronomanov, a new and highly intelligent student, arrives at Dexter's school and quickly outshines him academically. To gain an advantage, Mandark forces Dexter to shut down his lab to boost power for his own. With Dee Dee's assistance, Dexter ultimately succeeds in destroying Mandark's lab.

Monkey crosses paths with Simion, a chimpanzee who has developed human-like intelligence and is determined to seek revenge against those responsible for his transformation.

Dexter attempts to bypass a parental restriction by using his technical skills to temporarily age himself into an adult, but his sister accidentally interferes with his device, causing him to rapidly age into an elderly man instead.

Dee Dee and her friends accidentally enter Dexter's lab and cause chaos. To deal with the situation, Dexter creates a clone of himself, but the girls respond by cloning themselves as well.

During Monkey's birthday celebration, the festivities are disrupted by Barbequor, a menacing intergalactic villain with a plan to devour the planets, aided by his accomplice, the Silver Spooner.

This episode features a rerun of "Dexter's Laboratory," the first pilot from the "What a Cartoon!" series, showcasing the debut of the animated character Dexter, a young boy with a secret science laboratory.

Dexter attempts to clone a dinosaur by supplementing the incomplete DNA with genetic material from his dog.

During a date with Agent Honeydew, Monkey is hypnotized by the Organ Grindor's music and compelled to commit a robbery at Fort Knox.

Dexter experiences a mental breakdown after pushing himself too hard intellectually, causing him to behave in an unusually clueless manner.

Dexter goes into Dee Dee's room to retrieve an important invention that she has taken.

Monkey faces off against an alien hunter named Huntor in a battle to rescue Agent Honeydew and Commander Chief.

This episode features a reairing of the second pilot from the "What a Cartoon!" series, showcasing early animated concepts that were considered for the show.

Dexter and Dee Dee both audition to be the new sidekick for Major Glory. Dee Dee is chosen over Dexter, leading him to learn that superhero success depends on more than just a stylish costume.

Major Glory, Krunk, and Valhallen argue over what to watch on their single television, with options including Major Glory's capture of the Disgruntled Postman, TV Puppet Pals, or a monster truck pull.

Dexter is drawn into a video game by an unusual cartridge his and Dee Dee's father purchases, and Dee Dee must find a way to rescue him from the virtual world.

Dexter, a young boy, develops a crush on his teenage babysitter, Lisa. Upon learning that she has a boyfriend, he takes matters into his own hands by sabotaging their relationship and using a scientific experiment to age himself ten years in hopes of winning her affection.

Valhallen begins to lose his magical axe and his Viking traits, prompting Major Glory and Krunk to search his room to retrieve it.

Dexter begins experiencing troubling nightmares and devises a machine to replace them with pleasant dreams, relying on Dee Dee to manage the device while he sleeps.

Dexter, noticing that Dee Dee has not visited his lab all day, uses his shrinking technology to secretly enter her room and observe her. He is then drawn into what he believes to be a real world created by Dee Dee's doll story, becoming an unwitting participant in her imaginative narrative.

Krunk, a member of one rival gang, becomes romantically interested in She-Thing, the female counterpart of Comrade Red in the opposing group.

Dexter uses a new device to study for a French test while asleep, but it malfunctions, replaying the phrase "omelette du fromage" all night, leaving him unable to speak anything else the next day.

Dee Dee encourages Dexter to embrace a more social and adventurous lifestyle, challenging his solitary devotion to science.

Major Glory insists that Krunk and Valhallen clean their apartment in preparation for the visit of his uncle, Uncle Sam.

Dexter disguises himself to sneak into Dee Dee's room during a sleepover with her friends Lee Lee and Mee Mee. He is discovered and compelled to join in their activities.

Dexter convinces Dee Dee to take his place in an alien experiment to avoid being captured, but he begins to regret his choice as he realizes the depth of his feelings for her.

Krunk and Valhallen head to the basement to repair a plumbing issue and encounter Ratman, a small vigilante who was raised by rats and serves as a comedic parody of Batman.

Dexter's lab faces repossession due to an unpaid debt to NASA, leading him to take drastic measures when his sister Dee Dee unexpectedly wins the lottery. Desperate to avoid losing his lab, Dexter considers stealing the money from her.

Major Glory, Krunk, and Valhallen attempt to eliminate a bee that has invaded their apartment, leading to a chaotic and humorous ordeal as they try to get rid of it.

After his lab is destroyed by Dexter and Dee Dee, Mandark seeks magical means to defeat Dexter at the upcoming science fair.

Dee Dee accidentally inflates Dexter's hydro-plasmatic suit, causing her to float uncontrollably, and Dexter must find a way to bring her back to the ground.

Valhallen, with the help of Justice Friend White Tiger, defeats a super-villain, and afterward invites White Tiger to stay the night at his apartment, unaware that Major Glory is allergic to cats.

Dexter gives Dee Dee a formula to stop her from talking, but it transforms her into a giant monster who continues to speak loudly. Frustrated by her inability to be silenced, Dexter turns into a giant monster himself in an attempt to match her size and finally be heard.