Franchise timeline
Happy Little Submarine Collection
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Part 1 · May 30, 2008
潜艇总动员
Part 2 · May 29, 2015
Happy Little Submarine: Magic Box of Time
Happy Little Submarine Magic Box of Time is a 2015 Chinese animated adventure film directed by He Zili.
Part 3 · Jun 1, 2018
Happy Little Submarine: 20000 Leagues under the Sea
Part 4 · Jun 1, 2019
Happy Little Submarine: Space Pals
Under Professor Penguin and Mayor Seal's misguided rules, the undersea society is convinced that "Aliens are harmful". But when Olly stumbles upon a little alien named Wugu, who comes to Earth for a visit and gets lost from his family, it's Olly to the rescue. During their journey, Olly realizes that aliens are not dangerous at all, but in fact, quite friendly. Now Olly and his friends must keep Professor Penguin from executing his evil plans in order to help Wugu find a way home.
Part 5 · Aug 12, 2023
Happy Little Submarine : Around the World in 80 Days