TV Show0%

What We Still Don't Know

Documentary

Thought provoking Channel 4 series in which Sir Martin Rees investigates the great unanswered questions of science.

Jan 1, 20041 seasons3 episodesEndedEN

Start Watching

Cast spotlight

Jump into full cast pages for bio, socials, and recent work.

Martin Rees

Self - Host

View profile

David Malone

Self-host

View profile

Seasons

Season 1

3 episodes

Premiered Jan 1, 2004

Episodes

1–3 of 3

No preview

Ep 1

Are We Alone?

Jan 1, 2004

50m

Sir Martin explores the possibility that life exists on planets beyond our own. He unveils an unsettling scientific debate that has startling consequences for us Earthlings. Do you believe in aliens? If not, a quick glance through these pages might change your mind!

No preview

Ep 2

Why Are We Here?

Jan 1, 2004

50m

Everything you thought you knew about the universe is wrong. It’s made of atoms, right? Wrong. Atoms only account for a measly 15% of everything that exists. The mass of the universe consists of something so mysterious and elusive that it has been dubbed ‘dark matter’.

No preview

Ep 3

Are We Real?

Jan 1, 2004

50m

There is a fundamental chasm in our understanding of ourselves, the universe, and everything. To solve this, Sir Martin takes us on a mind-boggling journey through multiple universes to post-biological life. On the way we learn of the disturbing possibility that we could be the product of someone else’s experiment.