Factual error: During the opening narration Kyle Reese states that Skynet attacks humanity on August 12, 1997. In the shot of missiles decimating San Francisco, multiple 2005-present Toyota Priuses, Dodge Chargers and other late model cars are seen.
Continuity mistake: In the bus scene on the Golden Gate bridge, right after the bus flips end-over-end, we see it sliding broadside from Pops' point of view through the hole in the police car windshield, at most a few hundred feet ahead. At this point, the bus falls over the side of the bridge, breaks apart, then catches and hangs there. In the ensuing wide angle shot, even though Pops was a mere block away and racing at top speed, his car is nowhere in sight. What's taking him so long? Did he take the scenic route? Perhaps stop for beverages? Meanwhile, as Kyle and Sara snap out of it, exchange some dialogue, and begin scrambling upward to safety with John Connor again in hot pursuit, a full minute passes before Pops finally rolls in to save the day. (01:28:35 - 01:29:15)
Suggested correction: The police car he was driving was badly damaged when he literally fell onto it. It possibly slowed him down a bit.
This is a guess, not a correction. The car seems to work just fine even with the damage.
But when Arnie was exiting it, its left side was also damaged while its left front tyre was destroyed, to the point of causing sparks. It could have slowed him down.
Continuity mistake: John has the scars on his face from Terminator Salvation events indicating that it's the same and original timeline, and also Skynet was going to send the T-800 to 1984, but the original T-800 is sent once again in Genisys.
Suggested correction: Terminator Salvation and Terminator Genisys are not in the same continuity. The scars on John Connor's face have been a recurring feature since he was shown in Terminator 2 (played by Michael Edwards). Both Salvation and Genisys were referencing this original design of the character.
Suggested correction: That 1997 was from another timeline before the events in Terminator 2 altered history. It's possible those models may have existed earlier in that timeline than in our world.
This is assuming too much about the alternate timelines. There would have to be more concrete evidence that such things would be altered in said timelines. Also, considering that timeline is supposed to be what took place from Terminator 1 in its own separate timeline, we would go still by our own following the events of it leading up.
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