Which episode is Doraemon joke radar?

58 episodes. Doraemon is the fifty-eighth episode. Doraemon is a cartoon created by Japanese cartoonist Hiroshi Fujimoto. The cartoon tells the story of Doraemon, a cat-like robot from the 22nd century, entrusted by its owner Nobi Seo, who returned to the 20th century and took out various future props from the four-dimensional pocket to help his great-grandfather and disciple Nobi Nobuo solve various problems around him, as well as the humorous person who happened in his life and friends around him.