Title number 0061. Opens with Mister Rogers arriving with a bucket. Mister Rogers makes mud pies and a dam with dirt and water. Professor Fitzpatrick illustrates the difference between a calm sea and a rough sea through showing famous paintings and then drawing with charcoal. Corny and Joey Hollingsworth are digging a well together and as a result, they will be able to sell more rockers. Joey is ready to go on another selling trip for Corny but before he goes, Joey shows Daniel how a water pump works and gives one more little dance.