Season 1 holds the highest collective average score across the series.
Season 1 Details →Lowest score variance (σ = 0.51), maintaining an average of 5.0.
Complete Episode Rating Matrix
Interactive score chart by season and episode number. Darker green indicates higher ratings; amber and red denote lower reception.
Ratings Analysis & Trajectory
Across 2 seasons and 18 episodes, Pretty Little Liars: Original Sin has earned an overall series rating of 4.6 out of 10. The series reached its critical peak early, showing a slight contraction in audience satisfaction in later chapters.
The single highest-rated hour of television in the series is Season 1, Episode 1 ("Chapter One: Spirit Week"), rated at an extraordinary 6.0/10 with 12 ratings. Conversely, the lowest-rated installment is Season 2, Episode 8 ("Chapter Eighteen: Final Exam"), landing at 3.0/10.
The most precipitous single-episode shift occurred in Season 2 between Episode 4 ("Chapter Fourteen: When a Stranger Calls Back", 5.5) and Episode 5 ("Chapter Fifteen: Friday the 13th", 3), a swing of 2.5 points.
Top 10 Highest Rated Episodes of Pretty Little Liars: Original Sin
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 1, Ep 1 | Chapter One: Spirit Week | 6.0 | 12 | Jul 28, 2022 |
| #2 | Season 2, Ep 1 | Chapter Eleven: Spookyspaghetti.com | 5.8 | 6 | May 9, 2024 |
| #3 | Season 2, Ep 4 | Chapter Fourteen: When a Stranger Calls Back | 5.5 | 6 | May 23, 2024 |
| #4 | Season 1, Ep 8 | Chapter Eight: Bad Blood | 5.3 | 6 | Aug 18, 2022 |
| #5 | Season 1, Ep 9 | Chapter Nine: Dead and Buried | 5.3 | 6 | Aug 18, 2022 |
| #6 | Season 1, Ep 3 | Chapter Three: Aftermath | 5.2 | 6 | Jul 28, 2022 |
| #7 | Season 1, Ep 10 | Chapter Ten: Final Girls | 5.2 | 6 | Aug 18, 2022 |
| #8 | Season 2, Ep 3 | Chapter Thirteen: Sweet Sixteen | 5.2 | 6 | May 16, 2024 |
| #9 | Season 1, Ep 5 | Chapter Five: The Night He Came Home | 5.0 | 5 | Aug 4, 2022 |
| #10 | Season 1, Ep 2 | Chapter Two: The Spirit Queen | 4.8 | 6 | Jul 28, 2022 |