Sometimes Japanese shows go too far in terms of humor... <object width="425" height="350"><param name="movie" value="http://www.youtube.com/v/zc8VSo03T_c"></param><embed src="http://www.youtube.com/v/zc8VSo03T_c" type="application/x-shockwave-flash" width="425" height="350"></embed></object> The show got the idea from one of the viewers... The seat (and person) gets ejected 10 seconds after shutting the door... That's pretty much all you need to know even if don't understand Japanese...
I know the search feature is down, but this has been posted just so you know. The best is the waterski version.