Complex sentence: In September 2015, Netflix commissioned a third season of 12 episodes, which was later divided into two seasons of six episodes; the third season was released on Netflix worldwide on 21 October 2016.
Split into simpler sentences: In September 2015, Netflix commissioned a third season of 12 episodes. The commissioned episodes were later divided into two seasons of six episodes; the third season was released on Netflix worldwide on 21 October 2016.