Greg Cox wrote:
(4) The PG-13 rating didn't exist until July of 1984, so the first three TOS films couldn't have been given it (and obviously weren't going to be rated R).
Good point! I suspect Khan
at least would have been rated PG-13 had that rating existed back then . . . .
With the torture of Terrell and Chekov, Terrell's suicide, the bodies onboard Regula One, and all the bloody injuries onboard Enterprise
...I'd say it's certainly possible. But, of course, the MPAA has never had a rubric of any sort to define its rating system, so we can only speculate on this point.