Titre original : Genius Showdown! Tohma vs. Nanami
Both the DATS and the inhabitants of the Holy Capital are preparing for the impending battle. When news arrive that Kurata's camp has been discovered, Marcus takes the initiative to strike a head on assault, but Thomas disagrees since it may be a trap. However, Thomas feels underappreciated witnessing how all the Digimon support Marcus. The forces split with Marcus and Keenan going to engage Kurata while Yoshi and Thomas stay to protect the city. Nanami makes her presence known to Thomas, seducing him in order to make him go astray from his mission.