Looking to watch Giant from the Unknown? Richard E. Cunha's 1958 Horror film is available through several streaming and digital platforms. It's currently streaming on IndieFlix Shorts Amazon Channel, Fandor Amazon Channel, IndiePix Unlimited Amazon Channel, IndieFlix, Midnight Pulp, Midnight Pulp Amazon Channel, Cultpix, Plex Channel, Plex, Hoopla, Fawesome, Amazon Prime Video Free with Ads, Pluto TV, Mometu, and Tubi. Rental options start at $1.99, available on Prime Video. If you'd like to own it digitally, you can buy Giant from the Unknown starting from $7.99 on Prime Video.