The BBC has confirmed that the Series 9 finale will have an extended run time.

Hell Bent, premiers in an hour-and-five-minute timeslot on Saturday 5 December at 8pm to 9.05pm

The preceding episode, Heaven Sent, will also run longer with the time confirmed for 8.05pm to 9pm on Saturday 28 November on BBC One.

Heaven Sent synopsis (Spoilers!):show

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…

Hell Bent synopsis (Spoilers!):show