Prologue to Series 9

Prologue was the first prequel to the ninth series of Doctor Who, which was released on 11 September 2015 on the Doctor Who website and BBC iPlayer.

It introduced the confession dial, a device pertaining to the Doctor's secretive past which would play an important role in the climactic events of Series 9, and saw the return of Ohila and the Sisterhood of Karn from The Night of the Doctor, and their first appearance in a post-Time War setting.

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