How Long Do You Usually Go When Watching A Boring Movie, Before Finally Turning It Off ?? Feb 4, 2019 21:10:56 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by johnspartan on Feb 4, 2019 21:10:56 GMT 15 to 20 minutes. It has nothing to do with attention span. I know so much about movies that I can tell very quickly when a movie is going nowhere.