When does Britannia return?

Britannia is a British/American historical fantasy drama television show. It was created by Jez Butterworth and Tom Butterworth. The show was the first co-production between Sky and Amazon Prime Video. It stars Kelly Reilly, David Morrissey, Zoë Wanamaker, Mackenzie Crook, Nikolaj Lie Kaas, and Eleanor Worthington Cox. In March 2023, the series was cancelled after three seasons.