Geronimo Stilton (2009)

S1E24 Castle Creeps

Pandora's adventurous hamster, Mr. Nibbles, unexpectedly escapes, leading her and Benjamin to the eerie Whiskerfur Castle, a place shrouded in mystery and tales of the supernatural. As they navigate the haunted halls, they encounter unsettling noises and spectral figures. Their exploration reveals surprising secrets hidden within the castle, uncovering far more than just a wayward pet.