Tập 9: Liên minh sao Vega tấn công Viện nghiên cứu Năng lượng Photon trong khi Duke được Umon giải thoát

9

The Photon Power Research Institute is finally directly attacked by the Vega Star Alliance. It is invaded by a melee combat unit led by Blacky, and the place becomes a battlefield. Duke, who was imprisoned on suspicion of being a spy, is saved by Umon. (Source: IMDB)