Jane and the kids want a dog for personal protection, George doesn't believe in that but wants to keep everyone happy. To George the answer is an apartment approved electronic dog, one of those nuclear powered trouble free dogs: Electronimo! At the same moment the rest of the family found a biological dog. A contest should point out the superior dog. Astro proves to be the superior dog when he unwittingly tackles a burglar terrorizing the apartment building.

Spacely's competitor Cogswell invents a flying suit. Meanwhile, Elroy thinks he's invented a flying pill. When George picks up the wrong suit at the cleaners, he is convinced Elroy's pills actually work.

Another tale of Big Business competition: At the Moonside Country Club, Spacely and Cogswell each vow to put the other out of business. Spacely thinks his ticket is Astro the flying dog. He ultimately discovers that Astro has only swallowed a flying toy.

Astro turns out to be the long-lost dog of a millionaire. The Jetsons have to let Astro go. Now Astro has everything a dog can wish for, except the love of the Jetson family ...

Compression technique explained The Jetson way. Without the decompression mechanism working George is reduced to a mere 6 inches. The only way to fix the decompression system is by replacing parts manufactured by the big competitor: Cogswell Cogs.

George and Astro accidentally see and robbery. That is: they THINK they witness a robbery. It turns out they were in a movie-set. To prevent a law suit the producer does everything to buy them out, while George and Astro do everything possible to avoid being caught by the 'robbers'.

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.

When R.U.D.I. malfunctions one time too many, Spacely orders George to relocate his family to "Outer Moongolia"—but is forced to eat crow when R.U.D.I. threatens to destroy his factory.