Battle of the Planets

Giant from Planet Zyr (1x49)

Air date: Aug 27, 1979

A team of scientists on Earth develop the Jet Cutter, a new laser to powerful enough to cut through a new indestructible metal that Spectra has developed. But Spectra uses a giant humanoid mech to steal the Jet Cutter. G-Force travels to Zyr to try and find the giant and recover the laser.