Digimon: Digital Monsters

There Are Monsters Among Us (5x1)

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Fourteen-year-old street fighter Marcus meets a strange dinosaur-like creature. This strange creature, "Agumon", is a "Digital Monster" from the "Digital World". Marcus and Agumon agree to communicate by fighting. However, Agumon had escaped from and was being chased by an organization which investigates digital phenomena, "DATS". DATS attempts to recover Agumon from Marcus...