Synopsis
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.
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.