The Aldens investigate when a new store called the Game Spot opens in town and the neighboring shops are robbed.

When their favorite author fails to arrive as scheduled to speak at the local library, the Alden children investigate how he could board a train and never be seen again.

The Alden children investigate when Mrs. Murray's jewels are stolen during a party for the Starlight Skating Troupe.

The Boxcar Children have been choosen to compete against another team to look for clues on a game show.

The Boxcar children uncover a mystery when they compete in several contests at the county fair.

The Boxcar children, while participating in the "Teddy bear festival," help recover a valuable teddy bear that disappeared from the toy hospital.

While on bicycle trip to their aunt's farm, the four Aldens help solve a mystery.