| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| doctor who captain jack harkness is back | 1.7 | 0.6 | 4604 | 75 |
| captain jack harkness doctor who | 0.04 | 0.9 | 6571 | 66 |
| captain jack harkness doctor who episodes | 0.04 | 1 | 988 | 19 |
| dr who episodes with captain jack harkness | 1.23 | 0.3 | 8118 | 39 |
| doctor who jack harkness | 1.46 | 0.5 | 940 | 37 |
| doctor who jack harkness episodes | 0.84 | 0.1 | 3186 | 80 |
| who plays jack harkness on doctor who | 1.08 | 1 | 355 | 3 |
| dr who jack harkness episodes | 1.78 | 0.6 | 8706 | 46 |
| jack harkness doctor who wiki | 1.24 | 0.4 | 8882 | 97 |
| dr who jack harkness | 1.45 | 0.9 | 5562 | 24 |
| who is captain jack harkness | 1.69 | 0.1 | 4666 | 80 |
| who played captain jack harkness | 1.7 | 0.8 | 5755 | 13 |
| who plays captain jack harkness | 0.55 | 0.4 | 2372 | 4 |
| captain jack harkness episodes | 0.71 | 0.5 | 6275 | 54 |
| what happened to captain jack harkness | 1.06 | 0.3 | 8288 | 61 |
| captain jack harkness appearances | 1.56 | 0.4 | 7754 | 13 |
| captain jack harkness actor | 0.64 | 1 | 1321 | 39 |
