Comparison between the cut british VHS by MGM/UA (BBFC 18) and the uncut German boot leg DVD.

In the fourth part David Bradley is supported by the original "American Ninja" Joe Armstrong aka Michael Dudikoff. Unfortunately, Steve James, who played the role of the bragging and brawny Curtis Jackson in the preceding movies, isn't in the film. The storyline is pretty weak, too, and the colored ninjas seem pretty pathetic.
The movie was released cut in the UK because the display of combat weapons was forbidden there at that time. Because of that some scenes involving throwing stars and nunchakus were cut alongside a "double ear clap".

A big thanks to Il Gobbo who supplied us with the uncut version.Cut version = 94:32 min.
Uncut version = 95:11 min.

00:00 The uncut movie starts earlier.
1,3 sec.

28:49 End of a shot of Sean. Afterwards one can see him putting a throwing star in a small bag, holding it in front of his face and holding inward.
16,4 sec.

30:57 Sean is waving a nunchaku around in front of a ninja and knocks him out with a precise hit. He throws the weapon away and eliminates three ninjas lightning-fast with throwing stars. Because of continuity another shot is missing (last picture).
20,3 sec.

85:17 A man is being hit with a double ear clap by a ninja.
1 sec.