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Horizon•Season 48•Episode 3

What Happened Before the Big Bang?

8.0/10 · 87 votesOct 11, 201160 min

Ranked #1 of 11 in Season 48•+0.6 vs season avg

They are the biggest questions that science can possibly ask: where did everything in our universe come from? How did it all begin? For nearly a hundred years, we thought we had the answer: a big bang some 14 billion years ago. But now some

Previous episodeE2 · The Death of the Oceans?Next episodeE4 · Is Seeing Believing?

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Season 48 Episodes15

Back from the Dead

The Death of the Oceans? still

The Death of the Oceans?

E3 8.0Now viewing

What Happened Before the Big Bang?

Is Seeing Believing?

Miracle Cure? A Decade of the Human Genome

Asteroids - The Good, the Bad and the Ugly

Deepwater Disaster - The Untold Story

What Is One Degree?

What Is Reality?

Science Under Attack

The Secret World of Pain

Surviving a Car Crash

How to Mend a Broken Heart

Are We Still Evolving? still

Are We Still Evolving?

Predators in Your Backyard

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Episode Summary

"What Happened Before the Big Bang?" is episode 3 of Horizon season 48. It scored 8.0/10 from 87 votes, ranking #1 of 11 episodes this season (season average 7.4). It aired on October 11, 2011.

Next: E4 · Is Seeing Believing?Best of Season 48