Episode Ratings Grid

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

M
S1
S2
S3
S4
S5
E1
6.5
7.0
8.3
8.8
?
E2
7.2
7.8
7.8
7.0
8.9
E3
6.6
6.3
7.6
8.0
7.1
E4
7.3
6.6
?
?
7.4
E5
7.2
7.3
?
?
?
E6
7.3
6.2
7.3
?
7.4
E7
6.8
7.4
7.8
8.5
8.3
E8
7.2
7.7
7.9
6.6
8.3
E9
6.6
?
?
7.7
?
E10
6.4
7.4
8.0
8.2
7.8
E11
6.3
?
?
7.8
8.9
E12
7.0
?
8.2
?
?
E13
6.7
6.4
8.0
8.2
8.6
E14
7.5
8.2
?
8.4
8.4
E15
6.7
8.0
?
7.8
8.5
E16
7.6
?
?
7.1
8.1
E17
6.7
7.7
?
7.2
?
E18
7.3
?
?
?
?
E19
7.2
7.0
6.8
8.3
8.9
E20
7.4
6.9
7.4
8.2
8.0
Avg
7.0
7.2
7.7
7.9
8.2
Great
Good
Mid
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.

🏆 Top Episodes

#1 8.9

S5E2 Space Exploration

#2
S5E11 8.9

Smell

Scientist/comedian Bill Nye explores various aspects of science for young viewers.

#3
S5E19 8.9

Science of Music

  1. 4. S4E1 "Rivers and Streams" 8.8
  2. 5. S5E13 "Fluids" 8.6
  3. 6. S4E7 "Pollution Solutions" 8.5
  4. 7. S5E15 "Comets and Meteors" 8.5
  5. 8. S4E14 "Volcanoes" 8.4
  6. 9. S5E14 "Erosion" 8.4
  7. 10. S3E1 "Planets and Moons" 8.3

📉 Bottom Episodes

#75
S2E6 6.2

Food Web

Watch Bill Nye become tangled in a complex food web in his quest to demonstrate that all living things depend on other living things to survive.

  1. 74. S2E3 "Blood & Circulation" 6.3
  2. 73. S1E11 "The Moon" 6.3
  3. 72. S2E13 "The Sun" 6.4
  4. 71. S1E10 "Simple Machines" 6.4
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 S2 S3 S4 S5 5.56.37.17.98.79.5 Rating 10 20 30 40 50 60 70 80 90 100 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:
18 Standouts
29 Infamous
19 Hidden Gems
9 Forgettable
Standouts Infamous Hidden Gems Forgettable Global: 7.5 6.26.77.37.88.48.9 Rating 11 16 23 34 50 Votes (log scale)
Top Standout: S4E7 Pollution Solutions
Most Infamous: S1E1 Flight
Best Hidden Gem: S5E2 Space Exploration

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

Series Trajectory

A simplified view: one point per season. This smooths out episode-to-episode noise to show the overall arc of the series.

66.67.27.88.49 Rating S1 S2 S3 S4 S5 Season 10 9 8 7 6 5
SeriesScores.com

Season Momentum

Did each season build momentum or fizzle out? Green arrows mean the finale rated higher than the premiere. Red means the opposite. Longer arrows = bigger swings.

5678910 Rating S1 6.9 7.3 +0.3 S2 7.0 7.0 0.0 S3 7.8 7.4 -0.4 S4 8.0 8.2 +0.2 S5 7.4 8.1 +0.7
SeriesScores.com

Season Consistency

Some seasons are reliable bangers. Others are hit-or-miss. Each dot is an episode. Tightly clustered dots mean consistent quality. Scattered dots mean a mixed bag.

5678910 Rating S1 Typical avg 7.0 S2 Uneven avg 7.2 S3 Typical avg 7.7 S4 Uneven avg 7.9 S5 Uneven avg 8.2 Episode Premiere/Finale

Each dot is an episode. Clustered dots = consistent quality. Scattered dots = variable season. Hover for episode details.

SeriesScores.com