Episode Ratings Grid

Every episode at a glance, color-coded by rating. Rows are episode numbers within each season, columns are seasons.

M
S1
E1
8.6
E2
8.6
E3
8.7
E4
8.6
Avg
8.6
Great
SeriesScores.com

Episode Power Rankings

The best and worst episodes at a glance. Use this to find must-watch episodes or ones you might want to skip.

๐Ÿ† Top Episodes

#1 8.7

S1E3 Falling

Professor Brian Cox takes on the story of the force that sculpts the entire universe - gravity. It seems so familiar, and yet gravity is one of the strangest and most surprising forces in the universe. In a zero gravity flight, Brian considers how much of an effect gravity has had on the world around us. But gravity also acts over much greater distances. It is the great orchestrator of the cosmos.

#2
S1E1 8.6

The Cosmos Made Conscious

Brian Cox seeks to understand the nature of time. From an extraordinary calendar built into the landscape of Peru to the beaches of Costa Rica, Brian explores the cycles of time which define our experience of life on Earth. But as the Earth orbits the Sun, the Solar system orbits the entire Milky Way Galaxy in a cycle that takes a staggering 250 million years to complete.

#3
S1E2 8.6

Children of the Stars

In the second stop in his exploration of the wonders of the universe, Professor Brian Cox goes in search of humanity's very essence to answer the biggest questions of all: what are we? And where do we come from? This film is the story of matter - the stuff of which we are all made. Brian reveals how our origins are entwined with the life cycle of the stars. But he begins his journey here on Earth.

  1. 4. S1E4 "On Beams of Light(#1.4)" 8.6

๐Ÿ“‰ Bottom Episodes

#4
S1E4 8.6

On Beams of Light(#1.4)

In the last episode of Professor Brian Cox's epic journey across the universe, he travels from the fossils of the Burgess Shale to the sands of the oldest desert in the world to show how light holds the key to our understanding of the whole universe, including our own deepest origins. But first we need to understand the peculiar properties of light itself.

  1. 3. S1E2 "Children of the Stars" 8.6
  2. 2. S1E1 "The Cosmos Made Conscious" 8.6
  3. 1. S1E3 "Falling" 8.7
SeriesScores.com

The Quality Arc

Each point is an episode, plotted chronologically. The colored bands mark season boundaries. Look for upward or downward trends to see if quality improved or declined over time.

S1 88.38.68.99.29.5 Rating 1 2 3 4 Episode 10 9 8 7 6 5
SeriesScores.com

Episode Engagement

Vote count shows how many people cared enough to rate. High votes + high rating = beloved classic. High votes + low rating = notorious stinker. Low votes + high rating = hidden gem.

Rating threshold:
2 Standouts
0 Infamous
2 Hidden Gems
0 Forgettable
Standouts Infamous Hidden Gems Forgettable Global: 7.5 7.27.57.88.18.48.7 Rating 170 178 187 196 206 Votes (log scale)
Top Standout: S1E1 The Cosmos Made Conscious
Best Hidden Gem: S1E3 Falling

Episodes plotted by rating vs. vote count. The vertical line marks the rating threshold (7.5). More votes = more engagement. Toggle above to compare against global or show-specific median.

SeriesScores.com