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
E1
7.0
8.1
8.3
8.4
E2
8.1
8.1
8.3
8.1
E3
7.9
8.6
8.5
8.4
E4
8.0
7.6
8.0
8.3
E5
7.9
8.1
8.5
8.1
E6
7.9
8.1
8.6
8.0
E7
7.9
8.2
7.9
8.5
E8
7.9
8.1
8.3
8.4
E9
8.0
8.2
8.4
8.5
E10
7.4
8.2
8.4
8.3
E11
8.0
8.4
8.6
7.6
E12
8.2
8.5
8.8
8.4
E13
8.3
9.0
8.2
8.0
Avg
7.9
8.2
8.4
8.2
Excellent
Great
Good
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 9.0

S2E13 The End

Jill and the U.S. National Guardsmen begin to recover after receiving the lethargica antidote; but shortly thereafter, the Guardsmen begin to fall ill again with a secondary more deadly infection.

#2
S3E12 8.8

Jacobson's Organ

Magnetobacteria jeopardizes the country's electronic infrastructure.

#3
S2E3 8.6

The Cocktail

David has less than two days to discover a drug cocktail that will prevent a premature baby from becoming HIV positive.

  1. 4. S3E6 "Phantoms" 8.6
  2. 5. S3E11 "Adrift" 8.6
  3. 6. S2E12 "Lethargica" 8.5
  4. 7. S3E3 "Strangers in the Night" 8.5
  5. 8. S3E5 "The God of Commerce" 8.5
  6. 9. S4E7 "Hearts and Minds" 8.5
  7. 10. S4E9 "Unbottled" 8.5

📉 Bottom Episodes

#52
S1E1 7.0

Baby Bomb

Genetisist David Sandstrom is the chief scientist at the prestigious virology/micro-biology NORBAC laboratory which is a joint enterprise between the USA, Canada and Mexico and is responsible for countering bio-terrorism. David's ...

  1. 51. S1E10 "The Source" 7.4
  2. 50. S4E11 "Bloodless" 7.6
  3. 49. S2E4 "Dim & Dimmer" 7.6
  4. 48. S3E7 "One Hand Washes the Other" 7.9
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 6.57.17.78.38.99.5 Rating 6 12 18 24 30 36 42 48 54 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:
25 Standouts
2 Infamous
25 Hidden Gems
0 Forgettable
Standouts Infamous Hidden Gems Forgettable Global: 7.5 7.07.47.88.28.69.0 Rating 34 50 74 110 163 Votes (log scale)
Top Standout: S2E13 The End
Most Infamous: S1E1 Baby Bomb
Best Hidden Gem: S3E12 Jacobson's Organ

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.

77.47.88.28.69 Rating S1 S2 S3 S4 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 7.9 8.2 +0.3 S2 8.1 8.5 +0.4 S3 8.3 8.6 +0.3 S4 8.4 8.0 -0.4
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.

678910 Rating S1 Typical avg 7.9 S2 Typical avg 8.2 S3 Steady avg 8.4 S4 Steady 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