Episode Title:
War Game.
Episode Description:
Yamato and his partner Garurumon join Taichi and Koshiro on their mission to stop the Algomon hacking into the U.S. military. The Algomon have hacked into a submarine and are preparing to launch a nuclear missile. Greymon and Garurumon work together to corner the Algomon leader who evolves into a more powerful form, pushing them back. The missile launches and Koshiro learns that its target is Tokyo. With everything on the line, Greymon and Garurumon suddenly combine into Omegamon.
