Extant is a TV show on Australian national television from Ten with an average rating of 3.3 stars by TVCatchUpAustralia.com's visitors. We have 23 episodes of Extant in our archive. The first episode of Extant was broadcast in October, 2015. Did you miss an episode of Extant but don't you wan't that to happen in the future? Please set an alarm and add Extant to your favourites, so we can remind you by email when there's a new episode available to watch. Completely free: handy!