When Kristoff and the ice harvesters challenge Oaken and his new invention to a friendly contest, Oaken, Elsa, and Anna becomes embroil in a mystery involving a missing ice harvesting machine.

Timmy Failure, founder, president, and CEO of the greatest detective agency in town, perhaps the nation, is about to crack the biggest case of his generation: a school competition to find a stolen globe.

Cam Jansen and her photographic memory help her friend's grandfather retrieve his missing bag with an important graduation gift in it.

Cam Jansen and her best friend are spending three weeks at Camp Eagle Lake, where they play sports, do crafts, and solve three mysteries.

A member of the Bayview Crew disappears and everyone feels like they could be next, but the situation suddenly worsens when someone unexpectedly returns to Bayview.

Cam helps her friend Eric when he misplaces his permission slip to go on the school field trip.

"Pip is not in the mood for her friend's murder mystery party. Especially one that involves 1920s fancy dress and pretending that their town is an island called Joy. But when the game begins, Pip finds herself drawn into the make-believe world of intrigue, deception and murder. But as Pip plays detective, teasing out the identity of the killer clue-by-clue, the murder of the fictional Reginald Remy isn't the only case on her mind"--

Ottoline Brown and her best friend Mr. Munroe create a clever plan to solve the disappearance of several lapdogs and a string of daring burglaries in Big City.

Lunch Lady and Betty have been fired but the Breakfast Bunch convinces them to return and stop the school's new superindendent and her minions from carrying out an evil plan for revenge.

Dink and his friends meet an exchange student, Sammi, who is actually the prince of an island country, hiding from those enemies who have kidnapped his parents and who may be after him as well.