第 7 集: Joe和Gomamon在Infinity Mountain上對戰Unimon，Tai和Sora趕來支援

When Tai and Matt argue whether they should climb Infinity Mountain to get a better view of their surrounding, Joe and Gomamon decide to climb the mountain by themselves. While on the mountain, they are attacked by Unimon. Tai and Sora come to the rescue, and Gomamon evolves into Ikkakumon to save Joe from falling after Unimon bucked him off and destroy the Black Gear that was controlling Unimon. The three soon reach the peak and learn they are on an island. (Source: Wikipedia)

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