13 Reasons Why — 2017-2020 · 4 seasons · 49 eps
★ 7.4
13 Reasons Why poster

13 Reasons Why

2017-2020 · 4 seasons · 49 episodes

★ 7.4
(335,971 votes) Bottom 46%
IMDb
L
S1
S2
S3
S4
E1
8.2
7.0
6.3
5.7
E2
7.9
7.0
6.5
5.7
E3
7.8
7.3
6.5
5.5
E4
8.0
7.1
6.8
5.1
E5
8.1
7.0
6.5
6.1
E6
7.9
7.7
6.8
6.6
E7
8.3
7.3
6.4
5.9
E8
8.0
7.6
7.4
6.1
E9
8.6
8.0
6.6
6.7
E10
8.5
7.5
7.0
7.7
E11
9.1
8.2
7.2
E12
9.0
8.0
7.6
E13
9.2
6.5
6.4
Avg
8.4
7.4
6.8
6.1
Excellent
Great
Good
Mid
Bad
SeriesScores.com

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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 4.55.66.77.88.910 Rating 5 10 15 20 25 30 35 40 45 50 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
7 Infamous
3 Hidden Gems
21 Forgettable
Standouts Infamous Hidden Gems Forgettable Global: 7.5 5.15.96.77.68.49.2 Rating 2k 3k 4k 6k 9k Votes (log scale)
Top Standout: S1E13 Tape 7, Side A
Most Infamous: S2E13 Bye
Best Hidden Gem: S4E10 Graduation

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.

5.56.26.97.68.39 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 9.1 +1.2 S2 7.0 8.0 +1.0 S3 6.5 7.2 +0.7 S4 5.7 7.2 +1.5
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.

4568910 Rating S1 Typical avg 8.4 S2 Uneven avg 7.4 S3 Typical avg 6.8 S4 Uneven avg 6.1 Episode Premiere/Finale

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

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 10 Episodes Season 1 dominates (9/10)

  1. 1 S1E13 Tape 7, Side A 9.2
  2. 2 S1E11 Tape 6, Side A 9.1
  3. 3 S1E12 Tape 6, Side B 9.0
  4. 4 S1E9 Tape 5, Side A 8.6
  5. 5 S1E10 Tape 5, Side B 8.5
  6. 6 S1E7 Tape 4, Side A 8.3
  7. 7 S1E1 Tape 1, Side A 8.2
  8. 8 S2E11 Bryce and Chloe 8.2
  9. 9 S1E5 Tape 3, Side A 8.1
  10. 10 S1E4 Tape 2, Side B 8.0

📉 Bottom 5 Episodes Season 4 dominates (5/5)

  1. 49 S4E4 Senior Camping Trip 5.1
  2. 48 S4E3 Valentine's Day 5.5
  3. 47 S4E2 College Tour 5.7
  4. 46 S4E1 Winter Break 5.7
  5. 45 S4E7 College Interview 5.9
49 Total Episodes
9.2 Highest Rating
5.1 Lowest Rating
4.1 Range
SeriesScores.com