Ninja Hattori-kun: Nin Nin Furusato Daisakusen no Maki

Screened as a triple feature with Doraemon: Nobita no Kaitei Kiganjou and Paman - Birdman ga Yattekita.
(Source: AniDB)

Kanzo Hattori aka Hattori-kun, is the protagonist of the series, a little ninja.  He is 11 years old and 40 kg and is 140 cm tall. He is the boy who usually contests Kemumaki when he performs pranks.   Hattori's main weakness is that he is afraid of frogs; this often leads him into trouble. He wears blue coloured ninja robes. He always explains what a good ninja does and likes meddling in his friends' business. His powers can be compared to a master ninja.   He also has a strange habit of saying ~degozaru or nin nin after almost every sentence. His girlfriend seems to be Tsubame.  (Source: Wikipedia)

Kanzou Hattori

Doraemon Movie 04: Nobita no Kaitei Kiganjou

The plot revolves around a summer vacation of Nobita and his friends under the waters of Pacific Ocean. Jaian and Suneo take Doraemon's underwater vehicle and travel through the Atlantic Ocean, trying to find a treasure ship. 
Along the way, they discover that the environment gun that Doraemon used to protect them is running out of energy leaving them vulnerable to the sea. Fortunately, they are rescued by some marine creatures. 
Doraemon and his friends are later captured by these creatures, revealed to be inhabinats of the underwater kingdom of Mu. It is revealed that another undersea kingdom, Atlantis, now controlled by robots, was about to destroy the Earth with nuclear weapons after mistaking a volcano eruption for an invasion. 
With the help of a young boy from Mu, Nobita and his friends attempt to stop the robots, but are all captured. However, when things are at their grimmest, Doraemon's robotic underwater vehicle sacrifices itself to destroy the computer that controlled all the robots and nuclear weapons. 
After returning to Mu, Doraemon and his friends are hailed as heroes.
(Source: Wikipedia)

Perman: Birdman ga Yatte Kita!!

Screened as a triple feature with Doraemon: Nobita no Kaitei Kiganjou and Ninja Hattori-kun: Nin Nin Furusato Daisakusen no Maki.
(Source: AniDB)