The Gamma I franchise spans 5 films and is classified as a pentalogy (3+ films counted as a series, with categories scaling up to mega-franchises with 31+ entries). Each title below links to a search across our database — click through to find trailers, streaming options and cast for any of the Gamma I movies.

  1. 1
    Wild, Wild Planet
    Released 1965
    Wikipedia →
  2. 2
    War Between the Planets(Il pianeta errante)
    Released 1966
  3. 3
    War of the Planets
    Released 1966
    Wikipedia →
  4. 4
    Snow Devils(La morte viene dal pianeta Aytin)
    Released 1967
  5. 5
    The Green Slime
    Released 1968
    Wikipedia →

Frequently Asked

How many Gamma I movies are there?

There are 5 films in the Gamma I franchise.

What order should I watch the Gamma I movies in?

Release order is the most common viewing order — that’s how the list above is sorted. Chronological in-story order may differ for some franchises with prequels.