Military Sci-Fi
Military Science Fiction can be described quite swiftly by one sentence. Sci-fi with a strong military theme. This includes military assaults, assassinations and any other types of military action. Military sci-fi can be futuristic sci-fi or just set on a different planet with current technology. Another way military sci-fi could be used is military action against an alien on earth because that counts as the same sub-genre.



Sci-Fi Horror
This sub-genre is here because it can be used to link in themes from two genres. It has slasher elements and is rarely used. Horror films are only enjoyed by a small section of the general public. There are a lot of famous movies like the Alien franchise which are all Sci-Fi Horrors. These are all focused on death and jump scares just like other horrors. Their only difference is either futuristic elements or aliens.



Time Travel
Time Travel Sci-Fi is defined by as said before, Time Travel. There are a lot of shows that fit this Sub-Genre such as Doctor Who, one of the most successful and popular tv shows made. This is a stereotypical sci-fi sub-genre that people select to make because of how much it has been done and how popular this type of show is.