Mother: Earthbound II (Nintendo Cinematic Universe)

Mother: Earthbound II is a Japanese anime film.

Summary
A decade before the events of Earthbound, a boy named Ninten must master his great-grandfather's PSI studies to defeat Giygas and discover the mysterious disappearance of his great-grandmother.

Plot Elements

 * In the 1920s, a young married couple mysteriously disappear.
 * Two years later, the husband, George, mysteriously returns.
 * In 198X, Ninten goes on a quest to harness his PSI powers and rescue his great-grandmother, Maria.
 * Along the way, Ninten recruits Lloyd, Ana, and Teddy.
 * To save his great-grandmother, Ninten and his teammust sing the Eight Melodies.
 * The team reaches Magicant where they learn that Maria rules the land as Queen Mary.
 * Magicant disappears along with Maria and the team is confronted by her adopted alien son, Giygas.
 * The party sings the Eight Melodies and Giygas is defeated, retreating from Earth while the heroes return home.