The secret of Cacklefur Castle: When Geronimo is invited to Creepella von Cacklefur's spooky castle, he is surrounded by the gloom of the castle as well as by Creepella's creepy family! Field trip to Niagara Falls: Geronimo Stilton recounts his trip to Niagara Falls when he accompanies some young mice there as part of a school field trip.

Compact discs.

Disc 1 & 2.The secret of Cacklefur Castle -- Disc 3. Field trip to Niagara Falls.