Secrets of the Brain S1E1 29 September 2025 on BBC Two

On Monday 29 September 2025, BBC Two broadcasts Secrets of the Brain!

Season 1 Episode 1 Episode Summary

The upcoming episode of “Secrets of the Brain” on BBC Two promises to be an intriguing exploration of the human brain, hosted by Professor Jim Al-Khalili. This episode aims to shed light on the mysteries surrounding the brain, which is often regarded as the most complex structure in the universe.

Throughout the episode, Professor Al-Khalili will take viewers on a journey through time, examining how the brain evolved and developed into the remarkable organ it is today. He will delve into the scientific discoveries that have shaped our understanding of brain function and structure. With engaging explanations and visuals, he will aim to make complex ideas accessible to everyone.

This episode is expected to combine elements of science, history, and personal stories, offering a well-rounded look at the brain’s significance in human life. As Professor Al-Khalili uncovers the secrets behind this incredible organ, audiences can look forward to gaining a deeper appreciation of what makes the human brain so unique. “Secrets of the Brain” continues to be a thought-provoking series, and this episode is sure to captivate those curious about the wonders of the mind.

What Time is the Episode On?

The episode of Secrets of the Brain will be broadcast on September 29 2025 on BBC Two at 9:00 PM.

Is the Episode New?

The episode of Secrets of the Brain is all new!

Secrets of the Brain Cast & Stars

Main Cast

Episode Videos & Previews

Watch Secrets of the Brain Online

Watch the show online

Secrets of the Brain Series Information

The most complex object in the cosmos - forged in a fire of planetary catastrophes, conflicts, death, sex and love. Jim Al-Khalili tells the epic story of how our brains evolved.