Gaira, a humanoid sea beast spawned from the discarded cells of Frankenstein's monster, attacks the shores of Tokyo. While the Japanese military prepares to take action, Gaira's Gargantua brother, Sanda, descends from the mountains to defend his kin. A battle … Russ Tamblyn, Kumi Mizuno, Kenji Sahara, Nobuo Nakamura, Jun Tazaki, Hisaya Ito, Yoshifumi Tajima Added on HBO 2023-06-27, leaving 2024-10-01. Youtube Trailer