JoJo and Gran Gran

It's Time to Bury a Time Capsule (7x6)

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When JoJo, Gran Gran and the Nature Club dig up a buried time capsule, they find it filled with lots of old items that belong to the old club. Gran Gran has a plan: why don’t they reunite the capsule’s owners with their possessions? Then JoJo and the Nature Club can bury a new time capsule of their own!