In the context of the story involving Dorg and his friends, they must rescue Yooki from Mr. Munch's ghost trap because Yooki is likely in danger and needs their help. The narrative typically revolves around themes of friendship, bravery, and teamwork. Dorg and his friends, motivated by their loyalty and courage, embark on this adventure to save Yooki, showcasing the importance of standing up for friends in peril.

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