1화: 사막에서 그렌자이커가 등장하고 기억상실증에 걸린 다이스케가 고지 카부토를 만나다

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A man who fell into the desert has no memory. He is named Daisuke and hits it off with Koji Kabuto, who picked him up. As unidentified forces attack the Earth, a giant robot called Grendizer appears. (Source: IMDB)