Zatoichi is one of Japan’s longest running series of films and a television series set in the Edo period. The character, a blind masseur and swordmaster, was created by novelist Kan Shimozawa.
Information on Ninja Death is a little sparse. It appears that it was a movie that ran out of money two or three times, underwent two or three different English translations. There are some plot lines if you can follow them, but Ninja Death goes right to chop, kill and destroy without even bothering with opening credits.
In ancient Edo, today’s Tokyo, lived secret bands of assassins who liquidated evildoers the law could not touch. One of Japan’s most popular Samurai Action series since 1970′s. This is subtitled. Turn on the captions.