Hope, Laura Lee

The mystery surrounding a dune buggy bought at the town dump deepens when the vehicle is stolen.

Freddie plans to make money to buy a new bike by baking cookies. Then the theft of his grandmother's recipe causes him to stop and search for the thief.

The Bobbsey's neighbor Mr. McAlpin has won two tickets to the old-timers baseball game, but when he finds the envelope that is supposed to hold the prize, it's torn and empty.

Freddie and Flossie try to help Professor Osgood locate some mice which have escaped from his lab.

Chief, the twin's dog, decides to help them clean up Casper Creek. But something has gotten into him and is making him sick.

The twins enter a treasure hunt giveaway. They crack the contest code, but the video holding the final clue is gone.

Someone wants to ruin the PTA talent show and it will take the combined efforts of all four Bobbseys to ensure that the show goes on.

Freddie and Flossie have been chosen to participate on a television game show but it looks as if someone does not want the Bobbseys to win.

When a valuable autographed baseball is stolen at a block party, the Bobbseys and their dog Chief set out to find it.

The Bobbsey twins help the members of a Camp Fire club catch the culprits who stole their bicycles.