Although the Downfall parody videos have been around for over a year, YouTube has bowed to pressure from studio Constantin Films, and has started to remove the most popular clips.

The memes, where the original subtitles have been replaced by...

Ever seen the movie Downfall about the fall of Hitler at the end of the Second World War? It's a fantastic film, however we are betting you haven't seen it. Sorry.

What you probably have seen is one of the parodies below. There are hundreds...