After Geronimo Stilton visits a hypnotist to get rid of his allergies, a rash of strange thefts begins in New Mouse City.

Based on an original idea by Elisabetta Dami. Based on episode 8 of the Geronimo Stilton animated series, "A me gli occhi," ["Hypno-Tick Tock"] written by Charlotte Fullerton, storyboard by Pier Di Gia & Patrizia Nasi.