Elroy invents an evolution machine. By mistake his evolutes Astro by 10,000 years, increasing his I.Q. by 4000 points. George bets everything he owns by playing chess with a little help of Astro. At that moment Astro is caught by the dogcatcher. When that doesn't work he enters a brainy game show where the contestants can win millions.

Rocky Retro is the new hunk in school and Judy loses him to Marcia because she has a car. Judy wants her own car and has to find a job to pay for that. She accepts three jobs: walking dogs through space, doing construction work and taking orders at a fly-thru burger joint in a nearby solar system.

Spacely convinces all his employees to take an aptitude test and makes sure George scores the lowest. But when Judy, Elroy and Astro alter his father's score to be higher than everyone else's, George is given charge of Spacely's plant for the day when his boss is forced to take an impromptu vacation. Upon discovering that George is in charge of Spacely's plant, Cogswell makes plans to destroy Spacely Space Sprockets once and for all and attempts to ensure that George takes the fall.

A malfunction of the TeleViewer causes Elroy to discover a robbery plot by "The Gripfather" (a take on "The Godfather"), and George ends up trapped in the middle of it.

It seems that Orwell Spacely, Mr. Spacely's nephew, is the company's inventor. George becomes the company's Guinea Pig. Just when the patrolling police think no one breaks the 500 mph speed limit, they see a car driven by a man without a face. The new invention doesn't clean people like it is supposed to, it makes them invisible!

The annual father/daughter dance means embarrassment for Judy so she fakes the 48 hour flu. Still Jane promises that this year will not be the disgrace from last year because dad is taking dancing lessons. Using a super sniffer the kids try to find their father to peek at one of his lessons.

George has a tooth ache and visits his dentist. The dentist uses an experimental artificial teeth for George. The tooth turns out to be a dog's tooth but cannot be replaced because the dentist left for a vacation. Still George starts chasing cats and mailmen and barks at his family member.

Jane enters a garden contest. Astro crushes Jane's plant and the plant passes away. George buys Jane a new plant at 'Far Out Flowers', a rare import 'A Martian Creeper'. It turns out to be a very rare breed ...

George is convinced by Orwell, Spacely's nephew, to clone himself and improve his traits. But this new-and-improved George leads the original into believing that his family doesn't need him anymore.

A rock band of fleas take refuge on Astro to escape the tyrannical Solarini's flea circus.

The future TV producers got bored with cowboy and doctor's programs, so the want Elroy as 'Space boy Zoom and his dog Astro'. Of course Spacely wants his son and dog on TV instead, badly ...

During a school field trip to a remote asteroid, Elroy finds an odd pink rock, which turns out to be an egg that hatches into Orbitty, a spring-legged creature.

Based on Charles Dickens' "A Christmas Carol". Scrooge Spacely orders George to work overtime on Christmas Eve, which begins to tire George. Meanwhile, Astro is injured in a freak accident while chasing a toy robot cat, which causes him to get sick. Now it's up to the Spirits of Christmases Past, Present, and Future to convince Spacely that Christmas is a time for giving.

Judy and Rosey find boyfriends. The problem with love is that you're either up or down ... and the animated junk pile being Henry's assistant gets a little confused.

Jane gets fed up with public transportation and decides to take driving lessons. After all, Elroy can get a learner's permit when he's 8 years old, so Jane should be able to get driving lessons, can't she? Her talents scare the teacher so much, he goes back hunting wild lions again. Accidentally Jane thinks she's got a new instructor while that persons turns out to be a crook on the run ...

When Spacely discovers that his rival Cogswell has won the "Tycoon of the Day" Award, he goes all out to beat him, forcing all his employees to work a "Triple-Shift". After 24 hours of work and severe hounding by Spacely, George accidentally convinces the human employees of Spacely Sprockets to go on strike. Meanwhile, George is faced with his own problems when he destroys Elroy's athlete robot, "Jocko", and then tries to impress his son by portraying the robot himself.

George tries to break Elroy's fascination with spies by taking the whole family to an old west town. While there, Bad Bart Blaster challenges George to a showdown. Bad Bart's dog & Astro gang up on Bart and save the day!

After winning a school science contest, Elroy is invited with the family to view a space shuttle launch. But he gets more than he bargains for when he and Astro get aboard the shuttle and get launched into deep space. They're able to return to Earth, but are significantly changed in terms of age. A parody of The Right Stuff.

Elroy's wins a contest to meet his big hero 'Nimbus the Great' from the TV show. Unfortunately the player is very ill and cannot come. George stands up for Elroy and visits 'Nimbus' to prevent a disappointment for Elroy. The only solution is to have George wear a Nimbus suit and visit Elroy ...

A new building is built next to Spacely's company. The owner of the new plant turns out to be Cogswell and George finds out the new building is 6 inches over Spacely's property. Spacely makes Cogswell walk on his hands and knees, Jetson is promoted. That is until it turns out Spacely's existing building is actually 6' over Cogswell's ground ...

Jane badly needs some rest and goes to 'Dude Planet' with a friend. The rest of the family stays at home and tries to run the household.

An unknown package delivered to Spacely Sprockets contains a robot sentry dog named "Sentro", and Spacely decides to use it to guard his "Chocolate Microchip Cookie". However, the "Galactic Sneak"—a spy for Cogswell Cogs—has pulled a Trojan Horse–type move by hiding inside Sentro's body to infiltrate Spacely's plant. When he and Sentro steal the prototype Microchip Cookie, it is up to George Jetson—who discovers a want-ad in the news for an executive secretary for Cogswell Cogs—to become "Georgina Jetstream", infiltrate Cogswell Cogs, and get Spacely's cookie back.

George and Jane's nephew, Hunky Moonrock, is scheduled to visit Earth, but when a research team loses an inhabitant from the planet Polaris, everything is turned upside down when that alien is thawed out right at the Jetsons' back door.

George is duped into an Olympic-themed showdown with Cogswell Cogs, but when Cogswell pulls a twin-brother substitution, can George come out on top when he doesn't know who is who?

A take on both "Alice in Wonderland" and "The Wizard of Oz". When Elroy and Astro are forced to be separated while on vacation at Club Mellowstar, they wind up in a dream world where antique robots resembling our modern-day appliances are at war with each other.