Netflix has revealed that the 4th and final season of the anime Nanatsu no Taizai ( The Seven Deadly Sins: The Dragon's Trial ) arrives on June 27th .
Therefore, the anime has been airing in Japan since January with 24 episodes.
The manga ended in Weekly Shounen Magazine. The 40th compiled book volume of the manga confirmed on February 17th that the series will end in the 41st volume, which will be released on May 15th.
Finally, author Suzuki released the work in 2012. The first 24-episode anime series aired between 2014 and 2015. A four-episode anime special titled The Seven Deadly Sins -Signs of Holy War- premiered in August 2016. The second anime series premiered in April 2017.
Via: Netflix