EVIL SHOWS HIS FACE (Episode 8)

Leomon, a powerful Good Digimon, is struck by a Black Gear, making him a slave to Devimon, the ruler of the Bad Digimon. 

Devimon orders Leomon and Ogremon, a mighty Bad Digimon, to attack the "DigiDestined"-the kids. 

The the kids and their Digimon hold them off long enough to escape and hide in a luxury hotel, but the hotel turns out to be a trick of Devimon's, and the exhausted group is again attacked. 

The kids are saved when Tai's Digivice transforms Leomon back to his good nature, and he detains Ogremon while the kids escape (but in different directions!).  

At the end Devimon takes control of Leomon once more and the kids have been split up.