At the Museum of New Mouse City strange things are happening. There seems to be a mummy at night roaming around the rooms of the museum and also during the day, scaring visitors. Geronimo is firmly convinced that there must be a logical explanation to all this, mummies don’t just get up and go for a walk! And Geronimo is always right, right?
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Ready to Watch Geronimo Stilton, Season 1, Episode 4?