Complex sentence: An as yet untitled 2017 "Star Trek" TV series was announced in November 2015, the first series produced specifically for CBS All Access, and the first "Star Trek" series since' ceased production in 2005.
Split into simpler sentences: An as yet untitled 2017 "Star Trek" TV series was announced in November 2015. It will be the first new "Star Trek" series since' ceased production in 2005.