Complex sentence: The series premiered on AMC on August 23,2015, and it has been renewed for a third season to air in 2017; as well as been renewed for a fourth season on April 14 2017, before the season three premiere.
Split into simpler sentences: The series premiered on AMC on August 23,2015, and it has been renewed for a third season to air in 2017. As well as been renewed for a Fourth season on 14th April 2017, before the season three premiere.