The anime Nanatsu no Taizai (The Seven Deadly Sins) has received a trailer for the second half of the third season. Official Website
The animation is all from Studio Deen , however the series has been heavily criticized for the quality of the animation in the last few episodes.
Finally, the series follows the story of Elizabeth, third princess of a kingdom that was dominated by the Holy Knights after a coup. She goes in search of the Seven Deadly Sins, a group of knights who had defended the kingdom ten years ago and who disbanded after being accused of plotting against the kingdom.