The Obsolete Man
Senior HTF Member
When I was watching BTTF on TBS the other day (they have it available On Demand as well), I noticed some rather odd editing: the scene where Doc gets shot by the terrorists is nearly completely cut, as is a good portion of the part where they're chasing Marty through the parking lot. There's also a strange fade-to-black (which is not in the original film) right before the scene where Doc is taking the Plutonium capsules out of the case.
From what I've read elsewhere, TBS has edited out any mention of terrorists and terrorism, and that's why there are strange edits in that section.
Now, I know that sounds stupid, but remember, TBS once had World Championship Wrestling call brass knuckles and other weapons "international objects" because "foreign" had a bad connotation.