* Every story during Season 20 had the Doctor face an enemy from each of his past incarnations.
* Every story during Season 20 had the Doctor face an enemy from each of his past incarnations.
0.004 seconds.
* Every story during Season 20 had the Doctor face an enemy from each of his past incarnations.
* Every story during Season 20 had the Doctor face an enemy from each of his past incarnations.
0.004 seconds.