Digimon: Data Squad

The Rise of RizeGreymon (1x13)

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Merukimon appears in the real world to prevent Falcomon from being defeated, defeating easily the DATS Digimon and reverting Biyomon to a Digi-egg in the process. In a desperate attempt to find his way back to Kristy after Merukimon revives him, Biyomon loses control and quickly evolves to Aquilamon and then into Garudamon, wreaking chaos over the city.