Episode 16
Zechs waits at the South Pole with the completed Wing Gundam. Heero challenges Zech with Gundam Heavyarms. Heero and Zechs commence their battle amongst the snowy winds. Zechs tries to find something beyond this desperate battle, as does Noin. But then, Relena arrives and finds out that Zechs is his brother. Relena told Heero to destory Zechs, but Noin told Relena that is his brother and tells her about his actions to save the Sank Kingdom.