Space Force (2020)

S1E34 Lionheart

When the group reunites, they're suddenly ambushed by Beelzemon. In a shocking turn, Beelzemon kills Leomon, igniting Takato's fury. Desperate to fight back, he pushes Guilmon to Digivolve into his Mega Form. However, things take a disastrous turn as Takato's D-3 malfunctions and explodes, resulting in Guilmon's transformation into the fearsome Megidramon.