Sanger in his Grungust Type-3 and Retzel's Mark-3 Tronbe appear at the Tesla Reich Laboratories, now under the control of the Inspectors. The Inspector Vigagi tries to stop them with his Gulgaw. Outnumbered and overpowered, the Grungust is badly damaged and Sanger is gravely endangered. Then, a Special Unit apepars from the underground hanger on the lowest level of the labs. Its name is the "Dynamic General Guardian." Sanger tries to get inside it, but.
