I thought I should watch these two before deciding to buy the upcoming American Ninja Collection. The first is the most fun, the sequel loses a lot of the fun. Now that I've seen them all, forget part V, I'll stick to my DVDs.
AMERICAN NINJA 3: BLOOD HUNT (First viewing; YouTube) - 5/10
David Bradley makes a pretty good American Ninja, but the plot is
AMERICAN NINJA 4: THE ANNIHILATION (First viewing; YouTube) - 4/10
Despite Dudikoff and Bradley playing the lead, this is the weakest in the franchise. Boring.