Terminator: Genisys Trailer Breakdown - 36 Things You Need To See
9. "Everything Has Changed"
Sarah Connor confirms that the timeline that her son sent Kyle Reese back to no longer exists and hints that something dramatically different took place in her past. A flashback confirms that a young Sarah was "saved" by the T-800 from whatever makes her an orphan (unless he's actually abducting her in order to make sure she stays on the right path to her destiny).