Thu, Nov 29, 1973
During an ocean cruise to the South American Grand Prix, the gang falls overboard and make it to a remote island. They find unusual mutant plants created by Dr. Meangreen with his assistant Krelb. Dr. Meangreen plans to steal Speed Buggy's remote to control the mutant plants and take over the world.
Fri, Dec 7, 1973
Speed Buggy and the gang are in Oklahoma. There they find out that learned the entire state's oil supply has been stolen. In the course of the investigation, the gang discover an underground city full of storage tanks. They also uncover that Dr. Vesuvio plans to use the stolen oil in a plot to take over the world.
Fri, Sep 21, 1973
Tinker, Mark, Debbie and Speedy enter one of the biggest races of the year sponsored by Mr. Taggert. While they're getting ready two evil employees in a blimp prepare to ruin the race as ordered by the chief their boss. Once the race begins the employees shoot a ray out of the blimp that makes all the cars ho backwards, once Tinker and Speedy land safety they try to find help. Then, Debbie sees a branch to help grease Speedy that turns out to be a leaver that opens a secret entrance for the chief and his employees.
Fri, Sep 28, 1973
Speed Buggy gets invited to participate in a race in Bulgonia. Baron Vulch inserts a sophisticated bugging device in Speed Buggy's trunk to avoid customs when flying there. He then creates a female automobile named Mata Cari whom Speed Buggy falls in love with in a plot to get the bugging device back.
Fri, Dec 21, 1973
Speed Buggy and the gang take a vacation on an island and go fishing. When a marlin pulls them out to sea, they make it to a remote island that is actually an artificial island that brings them to an underwater city run by Captain Schemo. They soon learn that Captain Schemo plans to use his submarines to rule the oceans and take over the world.