Browse episode ratings trends for Secrets of the Brain. Simply click on the interactive rating graph to explore the best and worst of Secrets of the Brain's 2 episodes.
Best Episodes of Secrets of the Brain
Episode 1
S1 Ep1
8.0
29th Sep 2025
Professor Jim Al-Khalili unravels the mystery of how the most complex structure known of in the universe - the human brain - came to exist.
Worst Episodes of Secrets of the Brain
Episode 2
S1 Ep2
7.8
6th Oct 2025
From playing computer games with chimpanzees to studying modern relationships, Jim Al-Khalili investigates how the brain evolved and how they differ from AI.
Secrets of the Brain Episode Guide
Episode 1
S1 Ep1
8.0
29th Sep 2025
Professor Jim Al-Khalili unravels the mystery of how the most complex structure known of in the universe - the human brain - came to exist.
Episode 2
S1 Ep2
7.8
6th Oct 2025
From playing computer games with chimpanzees to studying modern relationships, Jim Al-Khalili investigates how the brain evolved and how they differ from AI.
The best rated episodes of Secrets of the Brain are:
Episode 1 S1E1 rated 8.0
The lowest rated episodes of Secrets of the Brain are:
Episode 2 S1E2 rated 7.8
The first episode of Secrets of the Brain aired on September 29, 2025.
The last episode of Secrets of the Brain aired on October 06, 2025.
There are 2 episodes of Secrets of the Brain.
There is one season of Secrets of the Brain.
Yes.
Secrets of the Brain is set to return for future episodes.
