The Terminator Movies: Essential Films
This watch order focuses on James Cameron's original vision, containing only the first two films that established the franchise's core mythology. Many fans consider these the definitive Terminator experience and view the story as complete after the second film.
These two movies tell a cohesive story about Sarah Connor's transformation from ordinary waitress to warrior mother, and the redemption arc of the T-800 Terminator. This order avoids the continuity complications introduced by later sequels.
There are 4 other watch orders available - see the links up above.
List not ranked (sorted by Release Date)

The Terminator
A cyborg assassin is sent back in time from a post-apocalyptic future to kill Sarah Connor, whose unborn son is destined to lead the human resistance against machines. A human warrior is also sent back to protect her from the nearly indestructible killing machine.

Terminator 2: Judgment Day
A reprogrammed Terminator is sent back in time to protect young John Connor from a more advanced liquid metal assassin sent to kill him. This explosive sequel delivers groundbreaking special effects and intense action as the future of humanity hangs in the balance.
Other Film Series
Divergent
A dystopian trilogy following Tris Prior as she discovers her Divergent nature and leads a rebellion against the faction system controlling post-apocalyptic Chicago.
Greenland
A two-part disaster thriller following the Garrity family's fight for survival during and after a planet-destroying comet impact.
Jurassic Universe
The complete dinosaur franchise from Spielberg's original thriller through the modern blockbuster era.
Maze Runner
A dystopian sci-fi trilogy following Thomas and the Gladers as they escape the maze and uncover the truth about their post-apocalyptic world.
Star Trek
A legendary science fiction franchise spanning multiple generations, following the adventures of Starfleet crews exploring the galaxy and upholding the ideals of the United Federation of Planets.
The Hunger Games
A dystopian saga following Katniss Everdeen as she fights for survival and freedom in Panem.