The students tell their substitute teacher, Mr. Gullible, that their regular teacher does a number of absurd things during a fire drill for the safety of the class. Mr. Gullible complies with their ridiculous requests.

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.