Stargate Atlantis Episode Ratings Heatmap
2004 · 5 Seasons · 100 Episodes · Overall Score: 7.5/10 (20 rated)
Season 1 holds the highest collective average score across the series.
Season 1 Details →Lowest score variance (σ = 0.51), maintaining an average of 7.5.
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 | 8.2 | – | – | – | – |
| Ep 2 | 8.0 | – | – | – | – |
| Ep 3 | 7.1 | – | – | – | – |
| Ep 4 | 7.3 | – | – | – | – |
| Ep 5 | 7.0 | – | – | – | – |
| Ep 6 | 6.4 | – | – | – | – |
| Ep 7 | 7.4 | – | – | – | – |
| Ep 8 | 7.3 | – | – | – | – |
| Ep 9 | 7.1 | – | – | – | – |
| Ep 10 | 7.7 | – | – | – | – |
| Ep 11 | 8.1 | – | – | – | – |
| Ep 12 | 7.7 | – | – | – | – |
| Ep 13 | 7.3 | – | – | – | – |
| Ep 14 | 7.2 | – | – | – | – |
| Ep 15 | 7.8 | – | – | – | – |
| Ep 16 | 7.4 | – | – | – | – |
| Ep 17 | 7.4 | – | – | – | – |
| Ep 18 | 6.8 | – | – | – | – |
| Ep 19 | 8.1 | – | – | – | – |
| Ep 20 | 8.4 | – | – | – | – |
| Season Avg | 7.5 | – | – | – | – |
Ratings Analysis & Trajectory
Across 5 seasons and 100 episodes, Stargate Atlantis has earned an overall series rating of 7.5 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 1, Episode 20 ("The Siege (2)"), rated at an extraordinary 8.4/10 with 25 ratings. Conversely, the lowest-rated installment is Season 1, Episode 6 ("Childhood's End"), landing at 6.4/10.
The most precipitous single-episode shift occurred in Season 1 between Episode 2 ("Rising (2)", 8) and Episode 3 ("Hide and Seek", 7.1), a swing of 0.9 points.
Top 10 Highest Rated Episodes of Stargate Atlantis
| Rank | Episode | Title | Score | Votes | Air Date |
|---|---|---|---|---|---|
| #1 | Season 1, Ep 20 | The Siege (2) | 8.4 | 25 | Jan 31, 2005 |
| #2 | Season 1, Ep 1 | Rising (1) | 8.2 | 31 | Jul 15, 2004 |
| #3 | Season 1, Ep 11 | The Eye (2) | 8.1 | 26 | Nov 8, 2004 |
| #4 | Season 1, Ep 19 | The Siege (1) | 8.1 | 25 | Jan 24, 2005 |
| #5 | Season 1, Ep 2 | Rising (2) | 8.0 | 20 | Jul 15, 2004 |
| #6 | Season 1, Ep 15 | Before I Sleep | 7.8 | 26 | Dec 6, 2004 |
| #7 | Season 1, Ep 10 | The Storm (1) | 7.7 | 27 | Sep 17, 2004 |
| #8 | Season 1, Ep 12 | The Defiant One | 7.7 | 26 | Nov 15, 2004 |
| #9 | Season 1, Ep 7 | Poisoning the Well | 7.4 | 29 | Aug 20, 2004 |
| #10 | Season 1, Ep 16 | The Brotherhood | 7.4 | 26 | Jan 3, 2005 |