Curious George (2006)

S1E7 Buoy Wonder

George heads to a countryside boat-building competition when he spots a fascinating boat designed to transport cars across water. Bill, the boat's owner, enlists George's help to watch over it while he steps away. However, disaster strikes when an accident sinks Bill's vessel, rendering it unusable for the contest. Determined to help, George attempts to construct a new boat for Bill, but each of his creations continues to sink. Frustrated, George decides to study the designs of the other contestants' boats to figure out how to create a floating masterpiece.