The BEST episodes of Universe season 1

Every episode of Universe season 1, ranked from best to worst by thousands of votes from fans of the show. The best episodes of Universe season 1!

Professor Brian Cox journeys across the vastness of time and space revealing epic moments of sheer drama that changed the universe forever.

Last Updated: 11/17/2025Network: BBC TwoStatus: Ended

8.07

61 votes

#1 - The Milky Way: Island of Light

Season 1 - Episode 3 - Aired 11/10/2021

A space mission discovers the dramatic history of the Milky Way. Professor Brian Cox reveals how our galaxy endured multiple collisions as rival galaxies fought for survival.

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7.96

56 votes

#2 - The Big Bang: Before the Dawn

Season 1 - Episode 5 - Aired 11/24/2021

It’s the ultimate question: why are we here? Cutting-edge space missions take us back 13.8 billion years to the very beginning – the origin of the Universe.

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7.83

96 votes

#3 - The Sun: God Star

Season 1 - Episode 1 - Aired 10/27/2021

Since the first star lit up the universe, they have been engines of creation. Professor Brian Cox reveals how, ultimately, stars brought life and meaning to the universe.

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7.83

72 votes

#4 - Black Holes: Heart of Darkness

Season 1 - Episode 4 - Aired 11/17/2021

Prof Brian Cox journeys into a supermassive black hole - a monster that can destroy worlds, stop time, and is forcing us to reassess our understanding of reality.

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Alien Worlds: The Search for Second Earth

7.57

72 votes

#5 - Alien Worlds: The Search for Second Earth

Season 1 - Episode 2 - Aired 11/3/2021

Professor Brian Cox questions whether we are alone in the universe. There might be more planets than stars in our galaxy - but will we find a second Earth?

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