The Backyardigans Episode 47 To the Center of the Earth Episode Title:To the Center of the Earth.Episode Description:Tyrone has dropped his lucky penny into a hole. Victorian-era inventors Uniqua and Pablo decide that it must have fallen to the center of the earth and use their rocket-drill to find it. Whenever they stop somewhere, they spot the penny and Tyrone tries to get it by himself, but the inventors stop him. They use one of their inventions to get it, but the inventions end up losing it by accident. At the center of the earth, it's up to the three to get the penny from a dinosaur.