To avoid failing the science fair, Rudy makes a Bobblehead-generating machine in ChalkZone and uses it as his science project, only to put ChalkZone's existence at risk when one of the judges, Dr. Von Dockter, thinks he has discovered the secret to perpetual motion.
Home video releases
- ChalkZone: The Complete Series
| "Gee, this is harder than I thought."|
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