They follow other season orders for How to Get Away with Murder, Gotham, Black-ish, The Flash and Jane the Virgin.
What isn’t yet clear is if all 4 titles win a further 9 episodes.
NCIS: New Orleans has averaged 18.16 million viewers, and a 2.8 in adults 18-49.
Madam Secretary is the most watched scripted series on Sunday nights in the US with 13.53 million viewers, averaging 1.8 in adults 18-49.
Scorpion is averaging 15.17 million viewers, 3.6 in adults 18-49 and is Monday’s most-watched drama.
All three are currently airing on TEN.
Stalker, with Maggie Q and Dylan McDermott, is averaging 9.49 million viewers, 2.1 in adults 18-49. Nine had previously indicated it would fast-track this title but it is yet to appear.
Meanwhile the US also has its first cancelled new show of the fall season, ABC’s Manhattan Love Story featuring Jake McDorman and Analeigh Tipton as a new couple in New York City. It was yanked after just 4 episodes.