Terminator 2

Terminator 2 A science fiction film directed by James Cameron, starring Arnold Schwarzenegger, Linda Hamilton, Edward Furlong and Robert Patrick. Two Terminators arrive in Los Angeles, a T-800 (Arnold Schwarzenegger) and a T-1000 (Robert Patrick), one sent to protect and one sent to destroy John Connor (Edward Furlong). The newer, sleeker model played by Robert Patrick is constructed of "liquid metal" and is able to take on the physical form of any solid object of equal size that it samples through touch. It can even copy the voice and appearance of a human being. – Pad of Definitions, (2.12 Nightshifter), Official Website

Terminator 2 is part of a series of Terminator movies that are mentioned in Suerpantural.

2.12 Nightshifter

Ronald: Chinese have been working on 'em for years. And the Russians before that. Part men, part machine. Like the Terminator. But the kind that can change itself, make itself look like other people.

Ron likens his theory of Mandroids to those in Terminator 2.

5.13 The Song Remains The Same

Dean: what are we going to tell them?

Sam: The truth?

Dean: What? That their sons are back from the future to save them from an angel that’s gone terminator? Come on those movies haven’t even been made yet.

In the first Terminator movie, the eponymous cyborg travels back in time to kill Sarah Connor in order that her son John Connor will never be born.

6.06 You Can't Handle The Truth

Dean: You froze? You have been Terminator since you got back.