While on a road trip, Captain Caveman and the Teen Angels are given a mysterious key by a stranger. While at the beach with some friends, Captain Caveman and the Teen Angels see a ship mysteriously vanish.
At the airport, some jewels are stolen by a mysterious figure. On a charter boat, Captain Caveman and the Teen Angels are chatting with a friend whose father is being honored for his role in a play when suddenly the lights go out and a necklace is stolen.
At the circus, tigers are disappearing. Captain Caveman and the Teen Angels investigate and discover a phantom has been haunting the circus. The Central City Kings have disappeared due to a panther.
Television trouble, indeed. The television station, KXXX, is taken off the air when a criminal cuts the antenna. A villain named Claw uses an aging gun to turn a rock star into an old man.
When a mummy comes to life and kidnaps an archaeologist, Captain Caveman and the Teen Angels investigate. With their friend, a prince of a small country, Captain Caveman and the Teen Angels go skiing. When the scepter is stolen by a Snow wolfman, they investigate.
In India, when a Royal White Elephant is stolen by an evil sorcerer, Captain Caveman and the Teen Angels investigate. Captain Caveman and the Teen Angels are assisting Dee Dee's uncle, Frank Skyes, with a fur delivery. When the furs disappear, it is up to them to find out what happened.
In Wyoming, rumors of a horse that is possessed by a demon are rampant. And they seem to be true. Captain Caveman and the Teen Angels have arrived to investigate. Just as they are investigating, a bank robbery occurs. Captain Caveman and the Teen Angels go to a research facility after they spot an alien spacecraft landing there. They discover that an alien robot supposedly stole a top secret energy source.
Captain Caveman and the Teen Angels got to Farthington Mansion with Taffy's Aunt Gladys to see a magic show. When some jewels are stolen, Captain Caveman and the Teen Angels investigate. In Oregon, when the star athlete of a sports team is kidnapped, Captain Caveman and the Teen Angels investigate. Very soon, they have found Juice Brenner. Or have they? He is acting strangely.
Captain Caveman and the Teen Angels travel back in time to meet Captain Caveman's father, the chief of Cavey's tribe. Cavey soon learns that his father's position is threatened by the Mellog, an evil creature that Captain Caveman's father defeated long ago. Captain Caveman and the Teen Angels investigate when the statue of the Mellog comes to life.
While on the way to a Chinese New Year festival in San Francisco, Captain Caveman and the Teen Angels save a truck driver working for a fortune cookie factory. The CEO, Mr. Chin, has been having problems with his business since a masked criminal named Dragonhead showed up. Captain Caveman finds the truck. They notice that the fortune cookies were stolen but not the fortunes. Captain Caveman and the Teen Angels investigate.
Dee Dee's uncle, Winton, invites Captain Caveman and the Teen Angels to see the reopening of the Devil's Run Railway when a freight car full of silver disappears the same way a munitions car disappeared during the Civil War. Captain Caveman and the Teen Angels investigate and find out that the legend of the Civil War ghost said to have pulled off the robbery.