Norbert and his friends in the detective club set out to explain the strange appearance and behavior of their attractive biology teacher.

Andy and Tamika are watching their neighbor's house while they are away, but when strange and troubling things start happening inside the house, the police do not believe the children.

Nancy, George, and Bess have been invited to an April Fool's Day party at their new schoolmate's house, with each guest bringing a gag to the party and the best prank winning a special prize. When two of the guests' fancy new electronics go missing, Nancy knows it's no joke, and the Clue Crew are...

Private investigator Fenton Hardy enlists the aid of his teenage detective sons in a search for a missing man being sought by an insurance company. All leads to the sailor’s whereabouts have petered out and the boys fly to Iceland, the man’s native land, hoping to find a new clue. From the moment...

The Hardy brothers investigate after reports of a beast attacking people. Is the Bayport Beast real after all?

Bayport Elementary's detective brothers Frank and Joe Hardy are on the case when someone sabotages the hockey team's lucky charm right before the championship game.