When Riga is attacked by Spectra, G-Force pleads with Chief Anderson to go there and help the Rigans, including Mark's old ally Col. Cronus. Anderson refuses, choosing to await a formal request from Riga and analysis of Spectra's latest weapon, a giant bird-like death machine. However, G-Force disobeys Chief Anderson and flies to Riga to engage the Spectran death craft. They are badly defeated as the Spectran aircraft deploys a high-energy ray weapon, knocking out the crew & badly damaging the ship and forcing it down. The only thing that saves them is Col. Cronus, who deploys a nuclear-tipped air-defense missile against a massive Spectran missile attack. On returning to Earth, Mark is taken aside & put through re-training with Cronus in order to get his edge back following his defeat. Now, will the team be able to survive the next confrontation with a seemingly invincible death machine?
—medic249a2