Mobile Suit Gundam Wing (1995)

S01E16 The Sorrowful Battle

Deep in the frozen expanse of the South Pole, Zechs stands beside the reconstructed Wing Gundam, awaiting his rival. When Heero finally arrives, their rematch ignites against the icy wasteland. Suddenly, Relena appears, pleading with them to stop throwing away their lives. But in that desperate moment, she stumbles upon a startling truth that changes everything.