After the city is blacked out, G-Force heads out to find out why. They find a swarm of ants attcking the Solar Fusion Plant. After flooding the ants away from the complex, they find the remants of one, finding that they are tiny robots. From the construction, Center Neptune scientists ascertain that the threat this time is not Spectra, but Tromulous. The team heads out to stop this lates threat. Once on Tromulous, they set down the robot ant and follow it to its home. They come to a giant ant hill, and before they can make a plan, the sand opens up under their feet.They find themselves captured by Commandeer Antof who has struck a bargain with Zoltar giving him Earth if he kills G-Force. Keyop sets chargesto the bubble that entraps the team, enabling them to get out. out of a giant cocoon a queen robot ant hatches.and heads for Earth.

7-quark-7 cherche à joindre les membres de la force G, mais ceux-ci se défoulent en dansant dans une boite de nuit. Or, il s'avère qu'une nuée de fourmis particulièrement dangereuses menace d'envahir la ville. On constate bientôt que celles-ci ne sont pas envoyées par Spectra, mais par un autre ennemi...