In stories featuring the hippo friends, George tries to impress Martha with fibs of his exploits, Martha's research causes her to itch, and Martha must find a way to get George to join her on a picnic.
In five short episodes which include a misunderstanding about split pea soup and a crisis over a missing tooth, two not very delicate hippopotamuses reveal various aspects of friendship.
Spud and Joe are determined to catch the mysterious prankster who keeps getting them into trouble when they spend their summer at Camp Custer with Mary Frances Hooley and Lamar J. Spurgle.