| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| what episode does castiel die | 1.95 | 0.6 | 2572 | 55 |
| what episode does castiel die in season 15 | 1.32 | 0.2 | 5064 | 42 |
| what episode does castiel die in supernatural | 0.25 | 0.8 | 2569 | 76 |
| episode castiel introduced spn | 1.68 | 1 | 3632 | 31 |
| what season does castiel die | 1.83 | 0.7 | 9587 | 67 |
| what episode does castiel appear | 1.34 | 0.8 | 1160 | 9 |
| how does castiel die | 1.79 | 0.2 | 5060 | 12 |
| what episode does castiel show up | 1.07 | 0.7 | 3277 | 25 |
| does castiel stay dead | 0.2 | 0.6 | 7342 | 9 |
| how many times does castiel die | 0.12 | 0.2 | 9420 | 85 |
| what episode is castiel introduced | 1.81 | 0.9 | 860 | 56 |
| what season does castiel die in supernatural | 1.66 | 0.8 | 8821 | 78 |
| when does castiel die in supernatural | 0.55 | 0.9 | 8797 | 26 |
| is castiel really dead | 0.52 | 0.2 | 7548 | 54 |
| supernatural does castiel die | 0.31 | 0.5 | 6700 | 15 |
| first episode castiel appears in | 1.02 | 0.7 | 1968 | 33 |
| what happened to castiel on supernatural | 1.8 | 0.5 | 5989 | 9 |
| what happens to castiel in season 15 | 0.85 | 0.2 | 3100 | 55 |
| is castiel dead on supernatural | 0.11 | 0.1 | 8077 | 72 |
