Big Fats Dynamo has turned himself in just so he can be the first person to break out of Rebel's Island prison.The warden is left no choice, so he sends for Atom Ant.
Dr. Crankenshaft M.D.(Mad Doctor) has created a monster to help him conquer the world.Everything goes his way until they rob a bank and Atom Ant is alerted.
Ferocious Flea and his boss, Bones, steal the Colonel's priceless dog from the dog show. Atom Ant tunes his antenna in on the trouble and tracks down the culprits to a fleabag hotel, where he has it out with Ferocious Flea.
Lured by a phony letter about Doctor Strangebug's reform, Atom Ant goes straight for the lump of sugar on his time machine! Sent back to the days of King Arthur, Atom Ant tames the dragon and is dubbed "Sir Atom Ant".
In his latest plan to conquer the world, Professor Von Gimmick terrorizes Big City with his monster, "The Big Gimmick". After using a battery of weapons against Atom Ant, the professor's computer tells him no ant can resist a picnic spread.
Atom Ant and the neighborhood kids race to their local supermarket to see a live appearance by Super Guy, but he's not there. Atom Ant finds him in the TV Studio, afraid to let the kids know he's a super hero only because of trick photography.
When the ant hill mob takes over the city picnic grounds, the park commissioner's job is on the line, so he calls in Atom Ant for help. To defend the honor of all ants, Atom Ant teaches the ant hill mob to behave.
One night, during a violent thunderstorm, Tyrone the Tyrannosaurus comes back to life in the museum and goes out terrorizing the city. Although Atom Ant tries to reason with Tyrone, they head for the ballpark and an all-out battle.
Thinking that Von Gimmick has reformed, Atom Ant offers to help him build his amusement park, which is really an amazement park, loaded with weapons to amaze his enemies.
Vacationing incognito in sunny Mexico, Atom Ant meets the despondent Chicken Enchilada, whose girlfriend refuses to marry him unless he fights El Toro, the bull.
Professor Von Gimmick's powerful termite, Dotzilla, goes on a rampage, eating everything in sight. Called to the rescue, Atom Ant can't even contain him in a super steal safe!
When a wagon train of ants is surrounded by a red ant tribe on the western plains, the lone ranger, Atom Ant, responds to their cries for help. Chief Big Deal arranges a contest of strength between Atom Ant and his son, Big Moose.
Discovering the cat's secret of nine lives, J. Dastardly Deeds sends his nine selves out on a crime spree while he drinks tea with Atom Ant, his perfect alibi.