Ultraman M78 Theater Love & Peace is a 1999 anime film, featured as a double bill for Ultraman Tiga, Ultraman Dyna, & Ultraman Gaia: The Decisive Battle in Hyperspace. Set in an alternate chibi-fied version Nebula M78, where Ultramen, kaijus, chojus, aliens and robots co-exists peacefully, the entire OVA consists mostly of short gags and animated clips.
Unable to entertain their princess Puruah, the kingdom of Yapaya requests professor Senbei to create a comedic robot capable of making her laugh for the first time in her life.
At the Penguin Village, the dinosaurs styled monster named Dodongadon appeared. But he was small as Arale and did not have strong power. Arale defeat him very easily, and Dodongadon called his mother Mamangadon. She was huge and had a big power. How Arale can defeat this big monster?