Happy Little Submarine in order

5 films, 3h 46m in all, in release order.

潜艇总动员
2008
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Happy Little Submarine: Magic Box of Time
2015 · 74 min
Happy Little Submarine Magic Box of Time is a 2015 Chinese animated adventure film directed by He Zili.
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Happy Little Submarine: 20000 Leagues under the Sea
2018 · 76 min
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Happy Little Submarine: Space Pals
2019 · 76 min
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.
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Happy Little Submarine : Around the World in 80 Days
2023
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Frequently asked questions

What order should I watch Happy Little Submarine in?

1. 潜艇总动员 (2008), 2. Happy Little Submarine: Magic Box of Time (2015), 3. Happy Little Submarine: 20000 Leagues under the Sea (2018), 4. Happy Little Submarine: Space Pals (2019), 5. Happy Little Submarine : Around the World in 80 Days (2023).

How long does it take to watch all of Happy Little Submarine?

About 3h 46m across 5 released films.

Do any Happy Little Submarine films have post-credit scenes?

None are listed on TMDB.