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

Searching for Adam Deacon

Is Adulthood available on iTunes, Amazon Prime, Netflix or Now TV?
Is Everywhere and Nowhere available on iTunes, Amazon Prime, Netflix or Now TV?
Is Kidulthood available on iTunes, Amazon Prime, Netflix or Now TV?
Is Payback Season available on iTunes, Amazon Prime, Netflix or Now TV?
Is Shank available on iTunes, Amazon Prime, Netflix or Now TV?