re: #337 sagehen
“City on the Edge of Forever” — wherein peace activist Joan Collins has to be run over by a car so she doesn’t keep the US out of WWII and the Nazis don’t win.
Written by Harlan Ellison, who much later wrote a book about how they butchered his script. Which I own, because he’s brilliant, but roll my eyes at it a lot because he’s whiny. :)