Seasons
Season 1 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | Beyond the Farthest Star | 6.6 | 1,297 |
| 2 | Yesteryear | 8.1 | 1,347 |
| 3 | One of Our Planets Is Missing | 6.7 | 1,084 |
| 4 | The Lorelei Signal | 6.5 | 1,077 |
| 5 | More Tribbles, More Troubles | 7.1 | 1,115 |
| 6 | The Survivor | 6.8 | 1,002 |
| 7 | The Infinite Vulcan | 6.1 | 975 |
| 8 | The Magicks of Megas-Tu | 5.9 | 985 |
| 9 | Once Upon a Planet | 6.2 | 915 |
| 10 | Mudd's Passion | 6.3 | 918 |
| 11 | The Terratin Incident | 6.7 | 894 |
| 12 | The Time Trap | 6.9 | 904 |
| 13 | The Ambergris Element | 6.4 | 872 |
| 14 | The Slaver Weapon | 7.0 | 919 |
| 15 | The Eye of the Beholder | 6.7 | 858 |
| 16 | The Jihad | 6.2 | 862 |
Season 2 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | The Pirates of Orion | 6.6 | 856 |
| 2 | Bem | 6.1 | 855 |
| 3 | The Practical Joker | 6.4 | 861 |
| 4 | Albatross | 6.8 | 838 |
| 5 | How Sharper Than a Serpent's Tooth | 6.4 | 827 |
| 6 | The Counter-Clock Incident | 7.1 | 839 |
