To protect or enjoy? Hosts Carly and Charlie have two very different plans for the backyard and cannot come to an agreement. Carly thinks backyards are to be enjoyed, and Charlie thinks they should be protected. A visit with park rangers from Yellowstone National Park might just help settle Carly and Charlie's debate.

Hosts Carly and Charlie are nominated for a Daytime Crafty Award! The awards ceremony is just around the corner, and Casey is helping them with their costumes…until she comes down with a cold! To avoid getting sick from the germs Casey is spreading throughout HQ, Carly and Charlie must understand all there is to know about germs. They head to Germfree Laboratories and Mushroom Mountain to examine good hygiene and health practices.