Search

Young detectives Frank and Joe Hardy, investigating the disappearance of a professor, encounter a hot-tempered hermit, and sabotage at the radar station and Honeycomb Caves.

When the Hardy Boys set out to solve the mystery of their missing chums, they discover a gang hide-out in a cave on an island along the way.

Frank and Joe solve a mystery involving a missing man, an abandoned airplane and giants in the desert.

On an ice-bound, snow-covered island, Frank and Joe attempt to solve the mystery of a boy's disappearance and the theft of a priceless collection of antique medals.

While searching in Iceland for a missing sailor sought by an insurance company, the teen-age detective brothers uncover a plot threatening the life of a United States astronaut and the secrets of NASA's moon project.

When Mr. Hardy disappears while investigating a mystery surrounding a vacant house rumored to be either haunted or an abode for criminals, the Hardy Boys search for the truth.

The Hardy brothers' search for the missing son of a wealthy industrialist leads them to Brazil and great danger.

Frank and Joe's investigation into the disappearance of their friend Phil Cohen, an electronics whiz, leads them to a top-secret plot that threatens the security of the entire world.

A Japanese business tycoon mysteriously disappears and, soon after, a rare samurai sword is stolen from an art gallery.

Two teenage sleuths help their detective father search for a famous rocket scientist whose disappearance endangers the launching of the Firebird Rocket.

When one of the Hardy Boys disappears while on a campout, the other is left behind to search, hoping he will see his brother alive again.

Frank and Joe investigate the disappearance of eight children from Misty Falls State Park in Idaho over the last twelve years after one of the missing children reappears with no memory of anything that happened previously.

Camping on Black Bear Mountain, Frank, Joe, and the conservation club wake up to find a bear roaming the campsite and their teacher missing.