The gang watches helplessly as Myotismon slips through the gate into
the real world to find the eighth child.
At Gennai's house under the lake, the wise old man gives the kids
ten Digimon key cards, which, if played correctly, will open the
gate. Before they can be used, however, the kids must learn the
key cards' secret.
Back at Myotismon's castle, the kids' Digimon battle Dokugumon, the
castle's spider guardian and his parasite minions. At the last
second, Izzy cracks the code of the cards and the kids leap through the