- Country: USA
- Genres: Action, Adventure, Animation, Comedy, Drama, Family, Fantasy, Sci-Fi
- Release: 2003-05-20
- Director: Victor Cook , Toby Shelton , Tad Stones
- Writers: Thomas Hart , Henry Gilroy , Kevin Hopps , Tad Stones
- Language: Norwegian | English
- Stars: James Arnold Taylor , Cree Summer , John Mahoney (I) , Jacqueline Obradors , Jacqueline Obradors , Don Novello , Corey Burton , Phil Morris , Florence Stanley , Frank Welker , Frank Welker , Steven Barr
- Runtime: 70 min
- Awards: 1 nomination.
- AKA: Atlantis: El regreso de Milo (Spain) , Atlantida: Milo se vrača (Slovenia) , Atlantis: Milo's Return (United States of America) , Η χαμένη Ατλαντίδα: Η επιστροφή του Μάιλο (Greece) , I hameni Atlantida - I epistrofi tou Milo (Greece) , Atlantis - Milon paluu (Finland) , Atlantis - Il ritorno di Milo (Italy) , Atlantida: Milo se vrací (Czech Republic) , Atlantis: Kthimi i Milos (Albania) , Atlantis 2: Milo's Return (Canada) , Атлантида 2: Завръщането на Майло (Bulgaria) , Atlantida 2: Întoarcerea lui Milo (Romania) , Атлантида 2: Возвращение Майло (Russian Federation) , Atlantis II: Milos hjemkomst (Norway) , Atlantis: Milo vender tilbage (Denmark) , Atlântida - O Regresso de Milo (Portugal, Portuguese Republic) , Atlantida - Milov povratak (Serbia) , Atlantis 2: Milo'nun Dönüşü (Turkey) , Atlantis: Milo's avontuur (Netherlands the) , Atlantis: Milo's Return (United Kingdom) , Atlantisz 2: Milo visszatér (Hungary) , Atlantis: Milo's Return (India) , Atlantis - Milos återkomst (Sweden) , Atlantis: El regreso de Milo (Mexico) , Atlantis: O Retorno de Milo (Brazil) , Atlantide II : Le Retour de Milo (France, French Republic) , Atlantis: Milo's Return (Australia) , Atlantis - Die Rückkehr (Germany) , Atlantis: Milo's Return , Atlantyda: Powrót Milo (Poland) , Атлантида: Повернення Майло (Ukraine) , Atlantida: Milov povratak (Croatia) , Atlantis 2: Le Retour de Milo (Canada) , Les Énigmes de l'Atlantide (France, French Republic) , アトランティス:ミロの帰還 (Japan)
- Plot:
Milo and Kida reunite with their friends to investigate strange occurances around the world that seem to have links to the secrets of Atlantis.
- IMDB:tt0344864