Episode 6 is the sixth episode of Britannia. It will air in January 2018 on Sky Atlantic and was released online on 18th January.
After their long ordeal, Cait and her father finally arrive at the safety of the Cantii citadel, but a demon is on their trail.
Kerra is crowned as Queen of the Cantii tribe. Amena pledges loyalty to her face, but summons a demon in secret that will allow her to rise to the throne. Cait and Sawyer arrive at the Cantii citadel and meet with Kerra.
Aulus and Veran meet, where the Roman learns he had more to do with Kerra's coronation that he realised. But he soon learns that the gods do not make bargains.
Kerra meets with Aulus at Crugdunon, but the demon arrives. Cait is recognised by Aulus from a vision, and he orders her capture. Divis, now possessed by the demon Pwykka, also hunts Cait. Kerra arranges for Cait and her father to flee the citadel, but the action will prove to cost her.