Eleventh Doctor
Furthermore, before the release of the main trailers, a short clip previewed the Eleventh Doctor and Clara examining a seemingly impossible painting. On 10 November 2013, a short clip of the Eleventh Doctor announcing "The clock is ticking" interrupted a BBC One ident. This was followed on Monday 11 November by another ident interruption, with the Eleventh Doctor stating "It's all been leading to this..."