Two years after the defeat of Galactor, Leader Xexacts his revenge by attacking a cruise ship, killing nearly everyone on board. One of the survivors is captured by X and mutated into Gel Sadra, naming her the new leader of Galactor. Dr. Nambu sends the Gatchaman back into active duty to fight the new threat!
(Source: Sentai Filmworks)
Alternative Titles: Kagaku Ninja-tai Gatchaman II, Eagle Riders, Science Ninja Team Gatchaman II, Kagaku Ninjatai Gatchaman II, 科学忍者隊ガッチャマンII