Seasons
Season 1 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | Initiation | 7.5 | 1,083 |
| 2 | For the Man Who Has Everything | 8.7 | 1,372 |
| 3 | Kids' Stuff | 7.9 | 1,133 |
| 4 | Hawk and Dove | 6.6 | 943 |
| 5 | This Little Piggy | 7.7 | 1,096 |
| 6 | Fearful Symmetry | 7.8 | 938 |
| 7 | The Greatest Story Never Told | 8.1 | 1,063 |
| 8 | The Return | 8.6 | 1,020 |
| 9 | Ultimatum | 7.7 | 901 |
| 10 | Dark Heart | 7.6 | 870 |
| 11 | Wake the Dead | 8.2 | 906 |
| 12 | The Once and Future Thing, Part One: Weird Western Tales | 8.5 | 1,009 |
| 13 | The Once and Future Thing, Part Two: Time, Warped | 8.7 | 1,054 |
Season 2 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | The Cat and the Canary | 7.9 | 886 |
| 2 | The Ties That Bind | 7.4 | 829 |
| 3 | The Doomsday Sanction | 8.6 | 969 |
| 4 | Task Force X | 8.4 | 897 |
| 5 | The Balance | 7.6 | 814 |
| 6 | Double Date | 8.3 | 918 |
| 7 | Clash | 8.4 | 933 |
| 8 | Hunter's Moon | 7.4 | 783 |
| 9 | Question Authority | 9.0 | 1,017 |
| 10 | Flashpoint | 9.0 | 977 |
| 11 | Panic in the Sky | 9.0 | 963 |
| 12 | Divided We Fall | 9.4 | 1,208 |
| 13 | Epilogue | 9.3 | 1,455 |
Season 3 episodes — IMDb ratings
| # | Title | Rating | Votes |
|---|
| 1 | I Am Legion | 7.8 | 786 |
| 2 | Shadow of the Hawk | 7.5 | 768 |
| 3 | Chaos at the Earth's Core | 7.0 | 754 |
| 4 | To Another Shore | 7.4 | 751 |
| 5 | Flash and Substance | 8.5 | 901 |
| 6 | Dead Reckoning | 7.9 | 767 |
| 7 | Patriot Act | 7.8 | 786 |
| 8 | The Great Brain Robbery | 8.6 | 861 |
| 9 | Grudge Match | 7.8 | 780 |
| 10 | Far from Home | 7.9 | 763 |
| 11 | Ancient History | 7.7 | 758 |
| 12 | Alive! | 8.7 | 825 |
| 13 | Destroyer | 9.3 | 1,196 |
