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
E1
7.1
7.7
8.2
E2
7.2
7.7
8.4
E3
7.4
8.1
8.2
E4
7.8
8.2
8.2
E5
7.8
8.0
8.2
E6
8.0
8.2
8.2
E7
8.1
8.3
8.3
E8
7.9
8.5
8.4
E9
8.0
8.1
8.5
E10
8.1
8.7
9.0
E11
8.0
8.2
8.0
E12
8.7
8.4
8.1
E13
7.9
8.2
7.7
E14
8.5
7.8
E15
8.1
7.9
E16
8.3
8.2
E17
8.3
8.2
E18
8.6
8.0
E19
8.4
8.1
E20
8.8
8.6
E21
8.5
E22
8.5
Avg
7.8
8.3
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

S3E10 Erchomai

In the climactic mid-season finale, the team scrambles to find a way to put a stop to Lilith’s plan coming to fruition. But going up against their biggest opponent yet, their odds are not looking good. Meanwhile, Simon makes a heartbreaking choice with Isabelle’s help and Magnus reconnects with a powerful person from his past.

#2
S2E20 8.8

Beside Still Water

Jace and Clary rush to make a final stand, but when a traitor is revealed, Jace and Clary may have a bigger fight on their hands than expected. Meanwhile, Alec and Izzy must fight off a large mass of demons that have unexpectedly shown up, as Luke and Simon head to the Seelie Court to deal with some unfinished business with the Seelie Queen.

#3
S1E12 8.7

Malec

The Institute is in full swing as everyone is preparing for the wedding of Alec and Lydia. Lydia is getting final touches made on her wedding dress, the wedding decorations are set and Isabelle is trying to figure out a way to throw a traditional, mundane bachelor party for her brother – whether he likes it or not. During what should be a time of great celebration for many is far from it as they examine their relationships. Alec is struggling on two sides – his wedding is one of the biggest days in his life and his parabatai should be at his side, yet he and Jace are still at odds. Alec also continues to struggle with his feelings for Magnus, especially when Magnus won’t give up on Alec. And as the Institute is buzzing with romance, Clary is desperate to work things out with Jace, but he is keeping her at arm’s length. Meanwhile, Jace, Clary and Magnus go looking for warlock Ragnor Fell to try and find the antidote to awaken Jocelyn.

  1. 4. S2E10 "By the Light of Dawn" 8.7
  2. 5. S2E18 "Awake, Arise, or Be Forever Fallen" 8.6
  3. 6. S3E20 "City of Glass" 8.6
  4. 7. S2E8 "Love Is a Devil" 8.5
  5. 8. S2E14 "The Fair Folk" 8.5
  6. 9. S3E9 "Familia Ante Omnia" 8.5
  7. 10. S3E21 "Alliance" 8.5

📉 Bottom Episodes

#55
S1E1 7.1

The Mortal Cup

One young woman realizes how dark the city can really be when she learns the truth about her past.

  1. 54. S1E2 "The Descent Into Hell Isn't Easy" 7.2
  2. 53. S1E3 "Dead Man's Party" 7.4
  3. 52. S3E13 "Beati Bellicosi" 7.7
  4. 51. S2E2 "A Door Into the Dark" 7.7
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 S2 S3 6.57.17.78.38.99.5 Rating 6 12 18 24 30 36 42 48 54 60 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
3 Infamous
27 Hidden Gems
0 Forgettable
Standouts Infamous Hidden Gems Forgettable Global: 7.5 7.17.57.98.28.69.0 Rating 674 1k 2k 3k 5k Votes (log scale)
Top Standout: S1E12 Malec
Most Infamous: S1E1 The Mortal Cup
Best Hidden Gem: S3E20 City of Glass

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 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 8.0 +0.8 S2 7.9 8.5 +0.6 S3 8.2 8.5 +0.3
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 7.8 S2 Steady avg 8.3 S3 Typical 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