Why Do I Need You?
Season 1
Episode 5
Watch this video with GBH
Passport
GBH members with Passport get full access to PBS shows, films, and specials like this one. Learn more about GBH Passport benefits.
Not a GBH Member yet?
Donate and start watching
Stuck?
Help
About the Episode
Dr. David Eagleman explores how the brain relies on other brains to thrive and survive. This neural interdependence underpins our need to group together, and our ability to do the very best and the very worst of things to each other.
Aired:
11/10/15
| Expires: 06/01/20 | Runtime: 55m 11s