Tamageta zo!! Gokuu o Osou Kinzoku Tsunami

Still trapped on the planet of the Machine Mutants, Goku and Pan succumb to General Rilldo's tricky tactics and become frozen in metal. The evil Dr. Myuu has them sent to his laboratory to join Trunks so he can drain the trio's Saiyan powers and use them at his will! And the double-crossing Giru shows he has more than one trick up his sleeve!