Trapped in a world unlike any other he has seen, the Doctor faces the greatest challenge of his many lives. One final test. And he must face it alone. Pursued by the fearsome creature known only as the Veil, he must attempt the impossible. If he makes it through, Gallifrey is waiting...
|The Doctor||Peter Capaldi|
|The Veil||Jami Reid-Quarrell|
|Executive Producer||Steven Moffat|
|Executive Producer||Brian Minchin|