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.
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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.
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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.
Predator
Elite alien hunters stalk Earth throughout history, seeking the most dangerous prey in brutal combat.
Skyline
A sci-fi trilogy following humanity's battle against alien invaders, with each film building directly on the previous story.
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.
The Matrix
A groundbreaking sci-fi action series exploring the nature of reality through the story of Neo, a hacker who discovers the world is a computer simulation.