Curious George (2006)

S2E37 Curious George, Sea Monkey

George, along with The Man With the Yellow Hat, sets sail on a boat with Professors Wiseman, Pizza, and Einstein to recover a weather satellite that has plummeted from the sky into the sea. The challenge arises when they discover that the satellite has landed right in the heart of a delicate coral reef. Determined to help, George takes the plunge and dives underwater to retrieve the satellite on his own.