Extant Main cast, played by Michael O'Neill Episode 1x01: Re-Entry (Jul 9, 2014) Episode 1x02: Extinct (Jul 16, 2014) Episode 1x04: Shelter (Jul 30, 2014) Episode 1x08: Incursion (Aug 20, 2014) Episode 1x12: Before the Blood (Sep 10, 2014) Episode 1x13: Ascension (Sep 17, 2014)