The Originals: Season 4 on Netflix Australia.
Season 4 of The Originals series is scheduled to be shown on Netflix Australia from 12th April 2018.
The Originals Season Four was first shown in America on 17th March 2017. It ran for 13 episodes.
It appeared on Netflix USA in July 2017.
The Originals: Season 5 on Netflix Australia.
Season 5 of The Originals, the final season, is scheduled for US release on 30th April 2018.
Netflix Australia may get season 5 around April/May 2019.