The idea of intelligence is explored in the concepts of computers (using bits as their basic units of information), whales (in their songs and their disruptions by human activities), DNA, the human brain (the evolution of the brain stem, frontal lobes, neurons, cerebral hemispheres, and corpus callosum under the Triune Brain Model), and man-made structures for collective intelligence (cities, libraries, books, computers, and satellites). The episode ends with speculation on alien intelligence and the information conveyed on the Voyager Golden Record.

Who are you? Do you even know who you are? Are you your memories? Are you the choices you make? Are you you? Or are you someone else, but manipulated to be you? If you can lose track of your past and your memories can be altered or implanted, in the end, who are you really? Michael Stevens finds out as he explores what makes you you.

This American science fiction horror anthology film was produced by Steven Spielberg and John Landis. The film's production achieved notoriety when the actor Vic Morrow and two illegally-hired child actors were killed in a stunt helicopter crash during filming of Landis' segment. The Movie leaves those involved in the making of the film cursed by the memory of the incident they witnessed.

Chris has always worked to keep his body healthy; now it’s time to start looking after his brain. Neurologist Dr. Sharon Sha challenges him to go off-grid into the wilderness without a GPS or map. Teaming up with his buddy, First Nations artist Otis Hope Carey, Chris will need to tune into nature to navigate through Otis’ remote ancestral homeland. The hike stirs up Chris’s most precious memories.