Find out if a film is on iTunes, Amazon Prime, Netflix or Now TV

Searching for Hayao Miyazaki

Is Castle in the Sky available on iTunes, Amazon Prime, Netflix or Now TV?
Is Howl's Moving Castle available on iTunes, Amazon Prime, Netflix or Now TV?
Is My Neighbor Totoro available on iTunes, Amazon Prime, Netflix or Now TV?
Is NausicaƤ of the Valley of the Wind available on iTunes, Amazon Prime, Netflix or Now TV?
Is Ponyo available on iTunes, Amazon Prime, Netflix or Now TV?
Is Princess Mononoke available on iTunes, Amazon Prime, Netflix or Now TV?
Is Spirited Away available on iTunes, Amazon Prime, Netflix or Now TV?
Is The Castle of Cagliostro available on iTunes, Amazon Prime, Netflix or Now TV?
Is The Kingdom of Dreams and Madness available on iTunes, Amazon Prime, Netflix or Now TV?