Robot Monster
"Moon monsters launch attack against Earth! How can science meet the menace of astral assassins? New Science Fiction Thrills!"
Ro-Man, an alien robot who greatly resembles a gorilla in a diving helmet, is sent to earth to destroy all human life. Ro-Man falls in love with one of the last six remaining humans, and struggles to understand how his programming can instruct him to kill her while his heart demands that he can't.
Where to watch in 
United States
Switch country in the top-right to check availability elsewhere.
Frequently asked questions
Where can I watch Robot Monster in United States?
Robot Monster is available to stream in United States with a subscription to Cultpix, and free with ads on Kanopy, Hoopla, Fawesome, Pluto TV, YouTube Free, and Amazon Prime Video Free with Ads.
Is Robot Monster on Cultpix in United States?
Yes. Robot Monster is included with a Cultpix subscription in United States.
Is Robot Monster available to stream for free in United States?
Yes. Robot Monster can be streamed free with ads in United States on Kanopy, Hoopla, Fawesome, Pluto TV, YouTube Free, and Amazon Prime Video Free with Ads.
Who's in it
Tap any actor to see their other movies and shows.
More like Robot Monster
Audience picks based on what people who watched this also enjoyed.
Death Machine
1995
Monsters of Man
2020
Companion
2025
Surrogates
2009
Automata
2014
Wifelike
2022
Terminator Genisys
2015
Code 8 Part II
2024
Subservience
2024
Upgrade
2018
Morgan
2016
Screamers
1995
More from George Nader
Their other work, ranked by what audiences actually watched.
Alfred Hitchcock Presents
1955
The Andy Griffith Show
1960
The Desert Fox: The Story of Rommel
1951
The Million Eyes of Sumuru
1967
Nowhere to Go
1958
Phone Call from a Stranger
1952
Beyond Atlantis
1973
The F.B.I.
1965
Away All Boats
1956
The Human Duplicators
1965
Six Bridges to Cross
1955
Lady Godiva of Coventry
1955
More from Claudia Barrett
Their other work, ranked by what audiences actually watched.
White Heat
1949
A Life at Stake
1955
Seven Ways from Sundown
1960
The Abbott and Costello Show
1952
Taggart
1965
Chain of Evidence
1957
Lock-Up
1959
Mr. & Mrs. North
1952
Man with a Camera
1958
The Last Time I Saw Archie
1961
The Happy Years
1950
The Great Jewel Robber
1950
More from Phil Tucker
Their other work, ranked by what audiences actually watched.
Films from United States of America, streaming in United States
The Last Sunrise
2026
Obsession
2026
Spider-Man: No Way Home
2021
The Last House
2026
Project Hail Mary
2026
War of the Worlds
2025
Avengers: Infinity War
2018
Greenland 2: Migration
2026
Masters of the Universe
2026
The Odyssey
2026
Avatar Aang: The Last Airbender
2026
Avatar: Fire and Ash
2025