
Episode 3 | What If We Have No Free Will?
Clip: Episode 3 | 2m 34s
Using a tank of ping pong balls, David demonstrates why we don’t need to worry.
What if we have no free will? What if we are just systems that move from one state to another in a predictable fashion? Using a tank of ping pong balls, David demonstrates why we don’t need to worry.
Problems playing video? | Closed Captioning Feedback
Problems playing video? | Closed Captioning Feedback

Episode 3 | What If We Have No Free Will?
Clip: Episode 3 | 2m 34s
What if we have no free will? What if we are just systems that move from one state to another in a predictable fashion? Using a tank of ping pong balls, David demonstrates why we don’t need to worry.
Problems playing video? | Closed Captioning Feedback
How to Watch The Brain with David Eagleman
The Brain with David Eagleman is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and Vizio.
Buy Now

Explore the Brain with this Interactive
What's the story of one of our body's most complex organs? In this interactive, viewers can explore clips from each of the six episodes of The Brain with David Eagleman. Grades: 9-13+Episode 3 | David Takes on a World Champion
Clip: Ep3 | 4m 6s | Austin Naber is a world-record holder in cup stacking. How will David fare against him? (4m 6s)
Episode 3 | Different People, Different Paths
Clip: Ep3 | 2m 1s | How our genes and our environment send brains off in very different trajectories. (2m 1s)
Episode 3 | Ian Waterman’s Inspiring Story
Clip: Ep3 | 2m 13s | Imagine if you couldn't control your body without extraordinary effort. (2m 13s)
Episode 3 | Steered by the Unconscious
Clip: Ep3 | 2m 41s | The unconscious brain picks up on sexual cues without you even being aware of it. (2m 41s)
Episode 3 | The Role of Consciousness
Clip: Ep3 | 2m 40s | The unconscious brain is making some decisions on our behalf. So why are we conscious? (2m 40s)
Preview: Ep3 | 30s | Every decision we make is driven by parts of the brain that we have no access to. (30s)
Providing Support for PBS.org
Learn Moreabout PBS online sponsorship- Science and Nature
Explore scientific discoveries on television's most acclaimed science documentary series.
- Science and Nature
Follow lions, leopards and cheetahs day and night In Botswana’s wild Okavango Delta.
Support for PBS provided by: