Calvin looks at some mud and says "Ewww". He pokes it with a stick and says "Ewwww". He picks it up with the stick and says it again. Finally, he walks through the mud, smile on his face, saying "Ewwwwwww".

Calvin walks with muddy shoes to the closet. He goes up the stairs. He walks to another closet, still trailing muddy steps throughout the house. He asks where those darn boots are.

Calvin digs up a hole. He fills the hole with a pail of water. He stirs up the mud with a stick. He goes to Susie's house, and tells her to put some nice clothes on and they'll go for a stroll.

Calvin digs a hole with the shovel. He fills the hole with water from the hose. He jumps in. As he enters the house while covered in mud, he tells Mom it couldn't be avoided.