Sophie defines anxiety and phobias and provides examples of each.

Billy's coulrophobia causes him to panic and maniacally scream about how clowns will take over the world.

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

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.