It's All in the Cards

It's All in the Cards is the twenty-eighth episode of Season 1 in Digimon Adventure, and the twenty-eighth episode overall.

Synopsis
After Myotismon escaped to the real world, the kids must use a set of cards from Gennai to open the gate. But there is one additional card, and if they use it or use the cards in an improper order, they would be sent to another world.