North Shore High School competes with Marymount Prep in the Mathletes State Championship. During the sudden death round, Cady is put up against Miss Caroline Krafft, who does not have a good sense of fashion. Cady realizes that making fun of Miss Krafft will not give her a better chance at winning or make her a better person; rather, she should focus on herself and rely on her own skills to win.

Chris and Martin find out the hidden power of zebra stripes.

Liza explains that our brain processes information from our senses and makes conclusions (perceptions) about our environment. When these perceptions are wrong, this is an illusion. They show a few examples of an optical illusion.

Bright Eyes keeps trying to form words and is very responsive to human stimuli. The apes possess many human-like traits

Temple, an autistic student, watches a short film on optical illusions and is immediately intrigued by it. She sets out to achieve the effects in the movie and does so after much persistence.