1x19 - Digimon: Data Squad

Yushima's true identity as the commander of the Digital World exploration party, as well as the DATS chief, is revealed. With Yushima's help, Marcus, Keenan, and the others are able to return to the real world. However, they are forced to leave Yushima behind in the Digital World. Marcus makes a big uproar, trying to do all it takes to go save him, but the Digital Dive is frozen over. Sampson tells Marcus and Keenan about the incident that occurred ten years ago. To make matters worse, MeruKimon's Gotsumon appears in the real world with three Okuwamon to target Keenan.