

Season 1 • Episode 2
LatestThe second part, Nothing, explores science at the very limits of human perception, where we now understand the deepest mysteries of the universe lie. Jim sets out to answer one very simple question - what is nothing? His journey ends with perhaps the most profound insight about reality that humanity has ever made. Everything came from nothing. The quantum world of the supersmall shaped the vast universe we inhabit today, and Jim can prove it.
Two-part documentary which deals with two of the deepest questions there are - what is everything, and what is nothing? Professor Jim Al-Khalili searches for an answer to these questions as he explores the true size and shape of the universe and delves into the amazing science behind apparent nothingness.
Direction
Visualizing the literally unseeable with gorgeous clarity
Writing
Al-Khalili makes quantum foam almost conversational
Production
CGI that earns its 'whoa' moments
Trivia, insights & behind the scenes
Jim Al-Khalili was a literal nuclear physicist before becoming the BBC's go-to science explainer, so he actually understands the math he's showing you.
This aired when 'Wonders of the Solar System' was peak BBC science content, but its philosophical ambition — tackling 'nothingness' directly — made it stand out from prettier space documentaries.