Streaming availability in United States
Where to Watch Howl (2021)
A young woman leaves the sanitarium to watch over her grandmother's house. As she descends into madness, she must decide whether to be devoured or embrace her true nature.
Horror 80 min
Amazon Prime Video 
Amazon Prime Video with Ads 
Plex 
Plex Channel 
Fawesome 
Cineverse 
Tubi TV 
Amazon Video 
Apple TV Store