An Astronomer has discovered a giant meteor, headed for the moon, and Clutch, Spinner, and Paddlefoot, with the help of Professor Knockwurst, launch a space mission, in a rickety old rocket, to stop it.
After 30 years in seclusion, an old Barnstormer stages a comeback, by putting on an air show, so he can have a crack at the crooked pilot who beat him, 30 years earlier.
It's back to the Amazon, where Clutch, Spinner, Paddlefoot, and Swampy help The Friendly Headhunters out, by going after a fearsome creature that has been terrorizing the jungle dwellers.
At the urgent request of an old friend, Clutch, Spinner, and Paddlefoot travel to the Canadian lake country, where they uncover some dirty doings by a greedy bush pilot.
Clutch and Company step in to help a Circus Owner – Fifi, the former High-wire Artist – When a pair of crooked carnival performers try to put her out of business.
While searching for a missing Ornithologist, in a game preserve, Clutch and Company shut down some outlaws who are illegally hunting birds for their feathers.
Clutch, Spinner, and Paddlefoot travel to the little country of Bourgonia, with their home-built race car, where an unscrupulous race driver tries to prevent them from winning the Bourgonia Grand Prix.
Clutch and Company help their old friend Hiram Biggs, when three bad guys try to keep him from winning the transportation contract for the village of Middletown, with his new 'Aero-Bus'.
After being lured to the Galapagos Islands, under false pretenses, Clutch, Spinner, and Paddlefoot fall victim to a modern-day pirate, then are helped by the pirate's fed-up Daughter.
The Greenwich Clock, in Switzerland – From which, all world time is calculated – Has a broken mainspring, and, when the supplier of new mainsprings doesn't reply, Clutch and Company trek into the mountains, to find out why.
While searching for a missing Archaeologist, in the Peruvian jungle, Clutch discovers a race of diminutive natives who are dedicated to protecting the artifacts of their ancestors.
While in the Florida swamps, searching for some rare turtle eggs, Clutch and Company help an old man and his Daughter stake a claim to oil land – Which is rightfully theirs – Before a pair of crooks can claim it as their own.