Pig has promised to make pies for everyone, but he doesn't have enough letters to make them. Dog has a magical way to help Pig keep his promise - it's all about the letter S. Frog thinks that in order to build a big rocket he needs big, uppercase letters. But when he needs to rescue the Little Piggies in out space, he learns that r-o-c-k-e-t works as well. All the friends have a ball trying to guess what Dog wants to play. Tiny Ant is tired of being the smallest friend. When he adds "GI" to his name he becomes Giant and soon learns that being small isn't so bad after all.