When Little Hippo decides to play doctor, he comes across some patients who are cooperative and others who are not. But his most difficult case is Lion, who doesn't want to play this game at all. Rrrrrroar! It's a good thing Mama Hippo knows how to play doctor just right.

Little Hippo loves to play pretend, and today he's going to be a truck driver! He zooms his dump truck through the savannah to deliver a surprise to the lion cubs. But when Little Hippo encounters roadblocks throughout his journey, he's grateful he has such good friends to help him along his way. This heartwarming story shows the importance of helping others and being brave.