Mobile Suit Gundam Wing (1995)

S1E49 The Final Victor

Heero and Zechs bring their last confrontation to a close, even as the colossal warships Libra and Peacemillion descend toward Earth, threatening to blanket the planet in an eternal winter. Meanwhile, Trowa tends to the injured Quatre, while Duo delivers the "Lords of Plague" to Peacemillion, hoping to prevent the catastrophe of the battleships' deadly collision course.