Each point is one game's rating·dashed lines show each series' overall trend
Games on the chart (4)
| Stargate | Dec 31, 1994 | Main Game | – | 43 | 43 |
| Stargate | Mar 1, 1995 | Main Game | – | 69 | 69 |
| Stargate SG-1: Unleashed - Episode 1 | Mar 14, 2013 | Main Game | 96 | – | 96 |
 Stargate: Timekeepers | Jan 24, 2024 | Main Game | 60 | – | 60 |