I understand the reasoning behind it, cinematically speaking. It adds suspense, it gives a neat ending to the breakout that allows the next portion of the movie to begin. But logistically it makes no sense. Sure, these doors are heavy, I guess they may take a long time to close, but a simple peruse of some blast door websites show some perfectly acceptable doors that can be closed very swiftly indeed. But no, the doors in the movies close at a snail's pace, giving people time to react, run, and make a stylish exit before they're secure. That would be extremely useless if there was a potential explosion, it doesn't matter if the door keeps everything secure, everyone would probably be blasted to smithereens before it's halfway shut. I understand the main bulk of the door may take a while to close, it's heavy and mechanical and all that, but I think a secondary door should be placed there too, which can be quickly dropped in case of escaping prisoners. That's one of the first things you should do as an evil person or entity, ensuring your prisoners can't make a dramatic exit. But pretty much every villainous facility, be it past, present or future, seems to have these ridiculous doors in place. Upgrade them already.
Although, I suppose they have improved somewhat over the years. Those stone doors in ancient ruins close so slowly that Indiana Jones even has time to reach back in and grab his hat. I guess we'll get there in a few milennia.
My rating: 1/5