Hip Hop Harry sings about the importance of eyes and how glasses can assist those with poor vision.

It all starts when Billy Dog realizes that he is having trouble seeing things that are far away. He takes a trip to the eye doctor to have an eye exam, and he gets his first pair of glasses. At first, he was apprehensive and resistant to getting glasses, but afterwards he realizes all the benefits they have!

Beakman explains how vision works involving the brain and eyes. He then explains how this works to create optical illusions.

Penelope is under a lot of stress when she meets Schneider. They have a conversation, and Schneider notices that she doesn't sound like herself. Penelope takes out her aggrevation on him.

Charlie takes an "intelligence pill" and claims it has helped him invent a way for spiders to speak to cats. The researchers quickly diffuse this claim and credit the placebo effect for increasing Charlie's self-confidence, arrogance, and perceived intelligence with no actual effects on his intelligence.