What episode in naruto-shippuden would tell the story about Yasori Uzumaki?

There is no episode in Naruto Shippuden that tells the story of "Yasori Uzumaki." There is no known character with that name in the Naruto universe.

It's possible you're thinking of a different character or a fan-made creation. If you can provide more information, I might be able to help you figure out what you're looking for.