Season 1 of Britannia premiered on January 18, 2018.

Season 2 of Britannia premiered on November 7, 2019.

Season 3 of Britannia premiered on August 24, 2021.

Season 3 sees a radical transformation in Cait’s journey as the Chosen One with a decision that will tie her to the future of her war-torn people and their ravaged land. Aulus comes under pressure from a new and dark force, whilst Amena finds herself in a lethal Ménage à trois with both of them. Divis gets a new job which he despises, and Veran goes to the underworld and sees the future.