Thin Ice
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| Season | Episode |
| 4 | 19 |
| Production number |
| Running time |
| Original airdate | April 29, 2018 |
| Nielsen rating | Viewers (million): TBA |
| Written by | Barbara Hall |
| Directed by | Morgan Freeman |
| Previous | Next |
| "The Friendship Game" | "The Things We Get to Say" |
Gallery
This episode came on April 29 2018 exactly one year after the broadcast of the Doctor Who episode of the same name on April 29 2017.