Publisher's Synopsis
- G-Man and Great Man have been missing for months, and the whole city is wondering what happened to them. But when the G-Brothers return to a world of giant robots and demon hunters, they barely have a chance to catch their breath before the real danger begins! The Suntrooper Space Force is called into action, the Thunderfriends assemble, and the Color Guardians unite as G-Man and Great Man face their biggest threat yet!
