Looking to watch The Phantom Planet? William Marshall's 1961 Horror film is available through several streaming and digital platforms. It's currently streaming on fuboTV, Bloodstream, Night Flight Plus, FlixFling, Shout! Factory Amazon Channel, Cultpix, FlixHouse, Fawesome, Hoopla, Public Domain Movies, Cineverse, Mometu, Pluto TV, Amazon MX Player, Amazon Prime Video Free with Ads, The Roku Channel, and Tubi. Rental options start at $1.99, available on Apple TV, Prime Video, and YouTube. If you'd like to own it digitally, you can buy The Phantom Planet starting from $4.99 on Apple TV, Prime Video, and YouTube.