| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what season did castiel come in | 1.78 | 0.7 | 7940 | 97 |
| what season of supernatural does castiel come | 1.61 | 0.3 | 4297 | 92 |
| does castiel come back in season 13 | 1.22 | 0.3 | 3615 | 40 |
| does castiel come back in season 7 | 0.64 | 0.1 | 2938 | 95 |
| when does castiel come back in season 13 | 0.16 | 0.1 | 3860 | 46 |
| when does castiel come back season 7 | 1.79 | 1 | 999 | 9 |
| what episode does castiel appear supernatural | 1 | 0.7 | 5407 | 11 |
| what episode does castiel enter supernatural | 0.86 | 0.7 | 2808 | 38 |
| does castiel come back in supernatural | 1.37 | 1 | 10 | 21 |
| when is castiel introduced in supernatural | 1.67 | 0.6 | 6158 | 7 |
| best castiel episodes supernatural | 1.4 | 0.7 | 6404 | 87 |
| when do we meet castiel in supernatural | 1.3 | 0.7 | 2638 | 7 |
| supernatural first episode with castiel | 1.34 | 0.3 | 4521 | 26 |
| episode castiel shows up supernatural | 1.97 | 0.2 | 4814 | 35 |
| castiel first appearance supernatural | 0.31 | 0.5 | 2682 | 70 |
| supernatural castiel episode list | 1.79 | 0.1 | 3267 | 98 |
