Terminator Salvation (2009)
First super photorealistic CGI body double, first full body CGI de-aging, first live actiion with photorealistic human in close up shots in full length movie
4K HDR video
CGI making of video
1) Arnold Schwarzenegger's facial likeness was utilized via CGI, with a mold of his face made in 1984 scanned to create the digital makeup.
2) Anton Yelchin replaced Michael Biehn as Kyle Reese and became the 3rd actor in the role. Jonathan Jackson had played Kyle Reese in 4 episodes of Terminator: The Sarah Connor Chronicles (2008) and Jai Courtney assumed the role in Terminator Genisys (2015). If Michael Biehn, whom was 52 at the time, had returned as Kyle Reese, the actor would had most likely been "de-aged" with computer graphics to make him look 25 years younger.