The Doctor and the team are in the early 1900s and encounter two famous inventors and a new enemy.
The Doctor is in a mood - which she denies - and Graham's won a trip to what he thinks will be a good remedy - a spa.
The conclusion to last's episode was big, loud, convoluted and had many good moments, but was ultimately unsatisfying.
The Doctor's back after a year off and she's not the only returning Time Lord.
In a break with tradition the Christmas Special was forgone for a New Year's Special instead.
The Doctor is lured to a planet by nine different distress calls to discover an old enemy seeking revenge.
An unusual storyline sees the Doctor and the team venture out of N-Space and encounter the Solitract.
After the TARDIS stubbornly refuses to take the Doctor where she wants to go and withholds their final destination, the team find themselves in the midst of witch trials.
The Doctor unexpectedly receives a fez via special delivery while travelling in the TARDIS. The package also included a request for help.
A gift to Yaz from her grandmother inspires a risky trip into the past.
