<Tr> <Td_colspan="2"> ← Previous Season 3 </Td> </Tr> <Tr> <Td_colspan="2"> List of Reign episodes </Td> </Tr> <P> The fourth season of Reign, an American historical fantasy, premiered on February 10, 2017 . The series, created by Stephanie SenGupta and Laurie McCarthy, airs on The CW . On December 7, 2016 the CW announced that this would be the final season and would consist of 16 episodes . </P> <P> The season has Mary returned to Scotland and trying to regain power in her homeland . She has to manage her allies, such as her bastard half - brother James and the outspoken Lord Bothwell, as well as her enemies, such as the Protestant preacher John Knox . Tensions mount between Mary and Elizabeth, with Mary marrying Lord Darnley, an English Catholic claimant to the English throne, in the hopes of taking England . In France, Catherine has to protect her son, King Charles IX, from the ambitions of her daughter Queen Leeza of Spain and her younger son, Henry . </P>

When does next season of reign come out
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