The robbery of the treasure in the tower proves to be an exciting challenge to Frank and Joe.

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

When the daughter of an amusement-park owner goes missing, it's anything but fun and games in this Hardy Boys adventure-a new take on the classic series. Daisy Rodriguez is missing. Just like that, gone without a trace. Her father, Hector Rodriguez-owner of Funspot, Bayport's local amusement park-is frantic. He feels he's to blame, since Funspot was recently the location of another disappearance. Could Daisy's vanishing be somehow connected? Joe...

Frank and Joe Hardy plan to compete in the local arcade tournament, agreeing the winner will get to move into the cool new room built by their dad, and when money goes missing from the competition, they work together to solve the mystery.

Frank and Joe face danger on a tropical island in the Caribbean where they were led by a note hidden in a ventriloquist's dummy.

The search for a stolen boat leads the Hardy brothers to Mexico, where they become involved with a band of Indians and a strange smuggling operation.

During their father's investigation of a ruthless gang of terrorists, the two young detectives face several adversaries.

Frank and Joe investigate a walled estate guarded by savage dogs, where a businessman is hiding in fear of his life.

Brothers Frank and Joe Hardy and their elementary school friends help them track down what they hope is a treasure after they find a mysterious map.

Falsely accused of a robbery at the airport, the Hardy boys turn the tables on the real thieves by nabbing them in the act of committing another robbery.