Gian is being taught judo by his father and teaches it to Nobita, by beating him up. Doraemon produces a black belt which when worn makes anyone a judo expert, but anyone who touches Nobita gets thrown including Shizuka and their teacher.
Genres: Action & Adventure , Animation , Comedy , Family , Kids , Sci-Fi & Fantasy
Keywords: anime , based-on-manga , gadget , japan , school-life , time-travel , watch-TV-series-online-free , watch-anime-series-online