A young Italian boy named Marco is devastated when his mother must leave home to work in Argentina to pay off the family debt. She sends the family letters, but soon the messages stop coming, which worries Marco and sets him off on an epic quest to find her.
Unfortunately the movie 3000 Leagues in Search of Mother: The Movie is not yet available on HBO Max.
| Directing | Isao Takahata | Director |
| Writing | Kazuo Fukazawa | Writer |
| Writing | Edmondo De Amicis | Novel |
| Visual Effects | Hayao Miyazaki | Layout Supervisor |
| Writing | Isao Takahata | Screenplay |
| Visual Effects | Yōichi Kotabe | Animation Director |
| Production | Isao Takahata | Director of Operations |
