Join us as we journey beyond the birth of the universe to unravel the mysteries of what might have preceded the Big Bang—and whether time itself had a beginning.

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Credits:

Before the Big Bang - What Came Before Time?

Episode 738; July 20, 2025

Written, Produced & Narrated by: Isaac Arthur

Select imagery/video supplied by Getty Images

Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

0:00 Intro Asking the Impossible

2:08 The Limits of Time and Spacetime

7:45 Beyond the Big Bang: Alternate Beginnings

14:38 Other Realities: Higher Dimensions and Shadow Universes

18:28 Emergent Time

22:38 Bubble Collisions and Multiverse Scars

24:44 Conclusion: What Came Before Time?

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