The Battle Within

 The Battle Within is the 36th episode of Season 3

Synopsis
Now that Takato and Guilmon Biomerged into Gallantmon, a vaccine type mega Digimon, they can battle Beelzemon. An intense battle begins.

Full Recap
Gallantmon and Beelzemon start their battle. As they fight the whole Digital World starts to shake. Zhuqiaomon cares less and orders his last deva Chatsuramon to destroy Lopmon, the traitor. He almost succeeds in defeating both Susie and Lopmon until Terriermon saves them. Gallantmon destroys Catusuramon and Beelzemon absorbs his data and becomes stronger. In a blaze of glory Gallantmon uses his "Shield Of The Just" attack and knocks him out. He is about to kill him when Jeri says it's not worth it and Gallantmon spares him. After the battle, Takato and Guilmon return to normal and a golden D-Power appears in front of Takato and Guilmon.