Catherine Tate is transforming back into “Nan” for one special new full-length episode.
You might be asking yourself, what’s going to happen this time? Ask no more! Below you can watch two very special teaser trailers for the episode which will be airing in the new year.
The very special episode is set to air on Saturday 4th January at 9:30pm on BBC One.
Teaser trailer 1:
Teaser trailer 2:
WARNING: Strong Language.