Ultraman (1966): Season 1, Episode 13

1 - 13: Garadama

A school boy, Mamoru, sees and retrieves a small meteorite, which coincides with another falling into the Libyan Desert. When they begin to emit signals into space, Professor Ichinotani starts to look into the object that fell in Japan, nicknamed Garadama. Then another giant meteorite crashes into the dam reservoir, scattering boats and evaporating the entire lake, and revealing a strange monster.