Currently available on 2 streaming services.

Streaming, rent, or buy Ninjago: Masters of Spinjitzu – Season 9:

Currently you are able to watch "Ninjago: Masters of Spinjitzu - Season 9" streaming on Netflix, Viaplay.

Cast

Vincent Tong
Kai (voice)
Sam Vincent
Lloyd Garmadon (voice)
Michael Adamthwaite
Jay (voice)
Brent Miller
Zane (voice)
Andrew Francis
Cole (voice)
Kelly Metzger
Nya (voice)
Paul Dobson
Wu (voice)
Mark Oliver
Garmadon (voice)