Ronin Warriors: Gaiden
鎧伝サムライトルーパー外伝 (original)
Although Talpa has been defeated, the Warriors don't get much of a break. As they celebrate Ryo's birthday party, the news tells them of a strange killer in samurai armor wreaking havoc in New York. And the armor looks very familiar. Now, they will have to battle the ancient sorcerer Shikaisen for Sage's life!
Starring Takeshi Kusao, Daiki Nakamura, Hiroshi Takemura, Kaori Kusakabe
Watch "Ronin Warriors: Gaiden" on Amazon released in 1989. It's a animation and action & adventure show, and has a rating of 7.5 out of 10 from Imdb which is usually fine for this kind of show.