| Season 6 | 2017-18 | 6.7/10 | ||
| 1 | Fallout |
 |
8.1 | |
| 2 | Tribute |
|
7.1 | |
| 3 | Next of Kin |
|
7.6 | |
| 4 | Reversal |
|
7.0 | |
| 5 | Deathstroke Returns |
|
7.5 | |
| 6 | Promises Kept |
|
8.0 | |
| 7 | Thanksgiving |
|
7.5 | |
| 8 | Crisis on Earth-X, Part 2 |
|
8.2 | |
| 9 | Irreconcilable Differences |
|
6.6 | |
| 10 | Divided |
 |
5.6 | |
| 11 | We Fall |
|
6.9 | |
| 12 | All for Nothing |
|
6.8 | |
| 13 | The Devil’s Greatest Trick |
|
7.4 | |
| 14 | Collision Course |
|
6.9 | |
| 15 | Doppelganger |
|
8.0 | |
| 16 | The Thanatos Guild |
|
5.9 | |
| 17 | Brothers in Arms |
 |
4.0 | |
| 18 | Fundamentals |
|
5.8 | |
| 19 | The Dragon |
|
7.6 | |
| 20 | Shifting Allegiances |
|
6.5 | |
| 21 | Docket No. 11-19-41-73 |
 |
8.5 | |
| 22 | The Ties That Bind |
|
8.0 | |
| 23 | Life Sentence |
|
8.2 |