Happy Little Submarine: Magic Box of Time

Synopsis

The small submarine Ali went to the depths of the sea to perform a mission and encountered an unprecedented accident. The little shark Meisha refuses to be a submarine king like his father's one-eyed shark, and she dreams of becoming a submarine hero like Ali. The mysterious treasure box she got accidentally changed her father's one-eyed shark back to his childhood appearance. When the treasure box disappeared strangely, a mysterious monster appeared in the underwater playground...

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