Watch Secrets of the Sexes online

What is Secrets of the Sexes about?

Are men and women's brains wired differently? A new BBC One series delves into our minds to find out how we think and fall in love.

Genre: Documentary

Season 1 of Secrets of the Sexes

Episode 1: BrainSex

Episode 2: Attraction

Episode 3: Love

click here to see where to watch

Watch more series

Isabel

Hai! Karate - Journey to Japan

Amika

The Gulf War

Kuroshitsuji

The Legend Of Tim Tyler

Tight Spot

Justice: What's the Right Thing to Do?