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
S6
E1
7.1
8.2
7.6
7.1
7.4
7.4
E2
7.1
8.0
7.2
7.2
6.6
6.6
E3
7.2
7.7
7.2
7.5
7.0
7.0
E4
7.3
7.6
7.4
6.9
6.8
7.0
E5
7.3
7.5
7.4
6.7
6.8
7.2
E6
7.6
7.7
8.2
7.0
7.7
7.2
E7
7.9
7.6
7.6
7.2
7.7
6.6
E8
7.9
7.9
8.8
7.5
7.6
6.8
E9
7.6
7.6
8.5
8.4
8.4
6.6
E10
7.6
7.2
7.7
7.3
7.4
6.3
E11
7.9
7.4
7.5
7.0
6.7
6.9
E12
7.5
7.8
7.2
7.0
6.6
5.6
E13
7.8
7.3
7.3
7.4
8.5
7.2
E14
7.3
7.3
7.0
7.3
5.9
7.1
E15
7.6
7.9
7.5
8.1
6.3
6.8
E16
8.6
7.2
7.4
8.3
6.9
6.3
E17
8.0
7.4
7.5
7.6
7.6
6.9
E18
8.7
7.4
7.5
7.5
7.4
6.4
E19
7.6
7.6
6.9
7.3
7.7
6.4
E20
7.7
7.3
7.3
7.4
6.4
E21
7.7
6.4
8.1
E22
7.9
7.3
8.2
E23
7.5
Avg
7.7
7.6
7.5
7.5
7.2
6.7
Great
Good
Mid
Bad
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 8.8

S3E8 Crisis on Earth-X, Part 1

Barry and Iris’s wedding brings the gang together, but things go awry when villains from Earth-X attack the ceremony. All of the superheroes band together with help from their super friends like Citizen Cold, The Ray, Felicity Smoak, Iris West and Alex Danvers to take on their most formidable villains yet. Earth’s mightiest heroes – Green Arrow, Supergirl, The Flash and White Canary – lead their teams into battle to save the world.

#2
S1E18 8.7

Worlds Finest

Kara gains a new ally when the lightning-fast superhero The Flash suddenly appears from an alternate universe and helps Kara battle Siobhan, aka Silver Banshee, and Livewire in exchange for her help in finding a way to return him home.

#3
S1E16 8.6

Falling

Kara turns on her friends and the citizens of National City after being exposed to Red Kryptonite makes her malicious and dangerous. Also, Cat appears on THE TALK to discuss Supergirl.

  1. 4. S3E9 "Reign" 8.5
  2. 5. S5E13 "It's a Super Life" 8.5
  3. 6. S4E9 "Elseworlds, Part 3" 8.4
  4. 7. S5E9 "Crisis on Infinite Earths: Part One" 8.4
  5. 8. S4E16 "The House of L" 8.3
  6. 9. S2E1 "The Adventures of Supergirl" 8.2
  7. 10. S3E6 "Midvale" 8.2

📉 Bottom Episodes

#126
S6E12 5.6

Blind Spots

Kelly is horrified when the Ormfell building implodes, injuring many in the community, including Joey. However, her horror quickly turns to frustration when she realizes that the hospital is overwhelmed, people are getting sicker, and no one is coming to help - including Supergirl who is busy fighting Nyxly. Knowing that she can make a difference, Kelly embraces her power and fully steps into her role as Guardian. Joined by Supergirl, Alex, Diggle and team, Guardian leads the way to restoring justice to the fallen community.

  1. 125. S5E14 "The Bodyguard" 5.9
  2. 124. S6E16 "Nightmare in National City" 6.3
  3. 123. S6E10 "Still I Rise" 6.3
  4. 122. S5E15 "Reality Bytes" 6.3
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 S6 55.96.87.78.69.5 Rating 13 26 39 52 65 78 91 104 117 130 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:
39 Standouts
24 Infamous
16 Hidden Gems
47 Forgettable
Standouts Infamous Hidden Gems Forgettable Global: 7.5 5.66.26.97.58.28.8 Rating 825 1k 2k 3k 5k Votes (log scale)
Top Standout: S1E18 Worlds Finest
Most Infamous: S6E12 Blind Spots
Best Hidden Gem: S4E16 The House of L

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.

66.577.588.5 Rating S1 S2 S3 S4 S5 S6 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 7.2 7.8 +0.7 S2 7.7 7.6 -0.1 S3 7.4 7.3 -0.1 S4 7.1 7.5 +0.4 S5 6.9 7.5 +0.6 S6 7.0 6.4 -0.6
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 7.7 S2 Steady avg 7.6 S3 Uneven avg 7.5 S4 Uneven avg 7.5 S5 Uneven avg 7.2 S6 Typical avg 6.7 Episode Premiere/Finale

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

SeriesScores.com