Episodes in Japan's Top Inventions - Season 4

Episode Air Date: Thu, Jan 14 2021

Episode Air Date: Thu, Jan 28 2021

Episode Air Date: Sat, May 15 2021

Episode Air Date: Fri, Jul 16 2021

Episode Air Date: Sat, Jul 31 2021

$Portrait for Japan's Top Inventions - Season 4 - Sushi Robots / Refractometers (Episode 6)$ Sushi Robots / Refractometers

Episode Air Date: Sat, Oct 30 2021

Episode Air Date: Fri, Nov 26 2021

Episode Air Date: Sat, Dec 11 2021