Air date: February 11, 2006

Kai is worried about Saya who fell out of the speeding train, but David insists on pressing on to find Dr. Ted A. Adams, a scientist involved in the Delta-67 research at the time of Vietnam War. Although they cannot find him, they find clues in his hous which lead them to an abandoned nuclear facility in Sverdlovsk-51...

Script: Shotaro Suga
Storyboard: Yasakichi
Director: Akiko Honda
Animation Director: Toru Okubo