Digimon Adventure: Season 1 Episode 30 The Mega Digimon, Wargreymon ( Air Date 2020-12-27 ) Genre Animation, Sci-Fi & Fantasy, Action & Adventure, Kids category. Overview "Taichi and Agumon act as bait so that the jungle’s Digimon can safely escape. However, Metalgreymon’s attacks are useless against the new Mega Digimon that stands in their way.".