This episode is famous for the physical brawl between Tai and Matt, which serves as "therapy" for their differing anxieties.
The battle is interrupted by MetalTyrannomon , an Ultimate-level Digimon sent by Devimon to "clean up" the failure. The power gap is immense; even Greymon is easily overwhelmed. Digimon Adventure Episode 9
Realizing he has been replaced and discarded by Devimon, Ogremon chooses to assist the children. He points them toward the direction of the Holy Digimon before facing MetalTyrannomon alone in a final act of defiance. This episode is famous for the physical brawl