the dvd version release by crash cinema be very poorly do . the master engineer must have be either drunk and asleep or not even in the room while it be be do . it look like it be master from about a tenth generation copy and about halfway through the film and the audio synchronization disappears . the dialog be about 10 or 15 second behind the audio . if youre think about purchase this dvd and please save your money . i remember see this film at the theater back in 1973. also and the vhs copy of this film under the title of when taekwondo strike look good than the dvd and but the remain several minute of the movie be miss . where be the original camera negative .