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
S7
S8
S9
E1
8.1
8.5
7.8
8.2
8.5
8.7
8.8
8.5
8.1
E2
8.5
8.7
8.3
8.7
8.4
8.5
8.7
8.9
8.1
E3
7.7
8.0
8.1
8.1
8.7
8.5
8.4
9.0
8.3
E4
8.3
8.0
8.4
8.1
8.8
8.9
8.6
8.8
7.4
E5
8.4
8.5
8.2
8.9
8.0
8.7
8.3
8.5
8.4
E6
8.4
8.1
8.4
8.2
8.5
8.5
8.5
8.8
8.9
E7
7.9
8.5
8.2
8.5
8.6
8.5
8.8
8.8
E8
9.2
7.8
8.5
8.5
9.1
9.0
E9
8.6
9.4
8.8
8.9
7.3
E10
8.7
8.7
9.3
8.9
8.1
E11
8.3
8.0
9.1
9.1
9.3
E12
8.9
8.8
8.1
E13
9.0
7.8
E14
8.1
Avg
8.2
8.4
8.3
8.5
8.5
8.7
8.7
8.5
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 9.4

S4E9 Lair of Giants

Jeremy Wade explores the hostile wildness of the Essequibo, Guyana's largest river and one of South Americas best kept secrets. Armed with only old journals and his rod, Jeremy is on a mission to discover if monsters of the past s...

#2
S6E10 9.3

Special: Lethal Encounters

#3
S8E10 9.3

Special: Blood River

  1. 4. S2E8 "Special: Killer Catfish (Extended Cut)" 9.2
  2. 5. S6E11 "Special: Worst Nightmares" 9.1
  3. 6. S7E8 "Special: Flashback to the First" 9.1
  4. 7. S7E11 "Special: Size Matters" 9.1
  5. 8. S4E13 "Special: Deadliest Catfish" 9.0
  6. 9. S8E2 "Death Down Under" 9.0
  7. 10. S8E7 "Special: Secrets at Sea" 9.0

📉 Bottom Episodes

#89
S8E8 7.3

Special: Invisible Killers

Jeremy Wade has hunted down freshwater killers for 30 years, but those waters are infested with darker, deadlier creatures - parasites.

  1. 88. S9E4 "Return of the Killer Catfish" 7.4
  2. 87. S1E3 "Alligator Gar" 7.7
  3. 86. S8E12 "Special: Aftershow" 7.8
  4. 85. S3E8 "Special: The Deadliest" 7.8
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 S7 S8 S9 6.57.27.98.69.310 Rating 9 18 27 36 45 54 63 72 81 90 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:
46 Standouts
0 Infamous
41 Hidden Gems
2 Forgettable
Standouts Infamous Hidden Gems Forgettable Global: 7.5 7.27.68.18.59.09.4 Rating 9 18 36 71 142 Votes (log scale)
Top Standout: S2E1 Demon Fish
Best Hidden Gem: S6E10 Special: Lethal Encounters

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.

7.57.98.38.79.19.5 Rating S1 S2 S3 S4 S5 S6 S7 S8 S9 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 8.3 8.2 -0.2 S2 8.6 8.8 +0.3 S3 8.1 8.7 +0.6 S4 8.2 8.8 +0.6 S5 8.4 8.6 +0.1 S6 8.5 9.1 +0.6 S7 8.7 8.9 +0.2 S8 8.9 8.1 -0.8 S9 8.1 8.7 +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.

678910 Rating S1 Steady avg 8.2 S2 Steady avg 8.4 S3 Typical avg 8.3 S4 Steady avg 8.5 S5 Steady avg 8.5 S6 Steady avg 8.7 S7 Steady avg 8.7 S8 Uneven avg 8.5 S9 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