| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| unsolved mysteries season 4 episode 21 | 1.7 | 0.1 | 1761 | 33 |
| unsolved mysteries season 4 episode 22 | 0.08 | 0.9 | 5486 | 42 |
| unsolved mysteries season 4 episode 20 | 1.29 | 0.7 | 6047 | 67 |
| unsolved mysteries season 4 episode 18 | 1.68 | 1 | 1566 | 58 |
| unsolved mysteries season 4 episode 19 | 1.93 | 0.1 | 3748 | 86 |
| unsolved mysteries season 4 episode 23 | 0.08 | 0.4 | 9427 | 7 |
| unsolved mysteries season 4 episode 24 | 0.72 | 0.4 | 9212 | 20 |
| unsolved mysteries season 4 episode 25 | 1.86 | 0.5 | 4055 | 24 |
| unsolved mysteries season 4 episode 26 | 0.94 | 0.8 | 8244 | 29 |
| unsolved mysteries season 4 episode 1 | 1.94 | 0.2 | 9881 | 38 |
| unsolved mysteries season 4 episode 10 | 1.35 | 0.7 | 3368 | 68 |
| unsolved mysteries season 4 episode 13 | 0.86 | 0.7 | 2854 | 18 |
| unsolved mysteries season 4 episode 15 | 0.17 | 0.9 | 7234 | 33 |
| unsolved mysteries season 4 episode 17 | 1.97 | 0.6 | 636 | 73 |
