In the era of the Sengoku Period, three young students, Rantarou, Kirimaru, and Shinbei, attend Ninjutsu Academy where aspiring ninjas are trained. Referred to as 'Nintamas,' the trio and their fellow students strive to master a variety of unique ninja skills amidst challenges and setbacks. With tough instructors like Doi-sensei and Yamada-sensei, mischievous Kunoichi girls, a band of pirates, and a diverse cast of characters, the unpredictable world of Nintama is filled with excitement. Each episode runs for 7 minutes and thirty seconds, with the series boasting 29 seasons comprising 60-90 episodes each.