Alias Episode Ratings Heatmap
2001 · 5 Seasons · 105 Episodes · Overall Score: 8.0/10 (105 rated)
Season 1 holds the highest collective average score across the series.
Season 1 Details →Lowest score variance (σ = 0.16), maintaining an average of 7.9.
Complete Episode Rating Matrix
Interactive score chart by season and episode number. Darker green indicates higher ratings; amber and red denote lower reception.
| Episode | Season 1 | Season 2 | Season 3 | Season 4 | Season 5 |
|---|---|---|---|---|---|
| Ep 1 | 8.6 | 8.6 | 8.4 | 7.9 | 8.2 |
| Ep 2 | 8.2 | 8.0 | 7.8 | 7.8 | 7.9 |
| Ep 3 | 7.7 | 8.1 | 7.6 | 8.0 | 8.0 |
| Ep 4 | 7.9 | 7.8 | 7.9 | 7.9 | 8.1 |
| Ep 5 | 8.1 | 8.0 | 7.9 | 8.4 | 7.6 |
| Ep 6 | 7.9 | 8.1 | 7.9 | 7.7 | 8.1 |
| Ep 7 | 8.0 | 7.8 | 7.4 | 7.5 | 7.8 |
| Ep 8 | 8.0 | 8.5 | 8.1 | 7.9 | 7.6 |
| Ep 9 | 8.4 | 8.0 | 8.5 | 7.6 | 7.8 |
| Ep 10 | 8.0 | 7.9 | 8.4 | 8.1 | 8.0 |
| Ep 11 | 8.0 | 8.2 | 8.9 | 7.5 | 7.9 |
| Ep 12 | 8.6 | 8.0 | 7.6 | 7.4 | 7.9 |
| Ep 13 | 8.6 | 8.8 | 7.5 | 8.1 | 7.9 |
| Ep 14 | 8.1 | 8.1 | 7.4 | 7.9 | 7.9 |
| Ep 15 | 8.0 | 7.9 | 8.3 | 7.8 | 7.9 |
| Ep 16 | 8.2 | 8.1 | 7.3 | 7.9 | 7.9 |
| Ep 17 | 8.0 | 8.0 | 7.8 | 7.9 | 7.9 |
| Ep 18 | 8.2 | 8.2 | 8.0 | 7.9 | – |
| Ep 19 | 8.2 | 8.2 | 7.6 | 7.6 | – |
| Ep 20 | 8.0 | 7.9 | 7.6 | 7.8 | – |
| Ep 21 | 8.5 | 8.5 | 7.7 | 7.9 | – |
| Ep 22 | 8.8 | 7.9 | 8.0 | 7.3 | – |
| Season Avg | 8.2 | 8.1 | 7.9 | 7.8 | 7.9 |
Ratings Analysis & Trajectory
Across 5 seasons and 105 episodes, Alias has earned an overall series rating of 8.0 out of 10. The series displays remarkable consistency across its narrative arc, maintaining reliable ratings from premiere to conclusion.
The single highest-rated hour of television in the series is Season 3, Episode 11 ("Full Disclosure"), rated at an extraordinary 8.9/10 with 8 ratings. Conversely, the lowest-rated installment is Season 3, Episode 16 ("Taken"), landing at 7.3/10.
The most precipitous single-episode shift occurred in Season 3 between Episode 11 ("Full Disclosure", 8.9) and Episode 12 ("Crossings", 7.6), a swing of 1.3 points.
Top 10 Highest Rated Episodes of Alias
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 3, Ep 11 | Full Disclosure | 8.9 | 8 | Jan 11, 2004 |
| #2 | Season 1, Ep 22 | Almost Thirty Years | 8.8 | 10 | May 12, 2002 |
| #3 | Season 2, Ep 13 | Phase One | 8.8 | 9 | Jan 26, 2003 |
| #4 | Season 1, Ep 1 | Truth Be Told | 8.6 | 19 | Sep 30, 2001 |
| #5 | Season 1, Ep 12 | The Box (1) | 8.6 | 10 | Jan 20, 2002 |
| #6 | Season 1, Ep 13 | The Box (2) | 8.6 | 10 | Feb 10, 2002 |
| #7 | Season 2, Ep 1 | The Enemy Walks In | 8.6 | 10 | Sep 29, 2002 |
| #8 | Season 1, Ep 21 | Rendezvous | 8.5 | 10 | May 5, 2002 |
| #9 | Season 2, Ep 8 | Passage (1) | 8.5 | 8 | Dec 1, 2002 |
| #10 | Season 2, Ep 21 | Second Double | 8.5 | 8 | May 4, 2003 |