How Human Are You? - Season 1

Like animal herds, humans form groups to provide them with safety and sustenance. To prove the benefits of pack mentality, National Geographic hosts a paintballing battle to learn the value of group identity, and the concept of blind conformity.

When it comes to mating rituals, animals are a good indication of why humans behave the way they do.

National Geographic proves following the leader is a primal instinct that's best kept in check.