When does Vikings return?

Vikings is a historical drama television series created and written by Michael Hirst. Filmed in Ireland, it premiered on March 3, 2013, in Canada. The series is inspired by the sagas of Ragnar Lodbrok, a Viking who is notorious as the scourge of Anglo-Saxon England and West Francia. A sequel series, titled Vikings: Valhalla, premiered on Netflix on February 25, 2022.
The series is inspired by the tales of the Norsemen of early medieval Scandinavia. It follows the exploits of the legendary Viking chieftain Ragnar Lothbrok and his crew, family and descendants. Further inspiration is taken from historical sources of the period.