Weird Science

A wish gone wrong makes Chett turn into a baby. Now, Chett is growing up at a quick rate. This gives Wyatt the chance to raise his brother and fix everything that went wrong the first time. Wyatt's parenting ends up just creating new problems. Now Chett is a huge wuss and can't defend himself against bullies like he could before. How can the guys fix this one? With a dirty joke and a fight in a bar.