Episode Title:Digging For Fire.Episode Description:Following an earthquake, the teens discover, using the help of Virtual Reality, that someone is digging shafts to the center of the Earth under a downtown building. When they look into it, they are confronted by Skugs and Fistbot. After a bigger earthquake, the Troopers simulate what would happen if Grimlord reached the core: Armageddon! They get into the building and make their way through a series of traps and ambushes. Ryan takes on Fistbot, defeating him. J.B. and Kaitlin vortex the skugs and General Ivar'S airforce to the Virtual Reality Quarry and defeat them and a tank force. Kaitlin calls upon her V.R. Battle Club and destroys the tunnel. The city is saved. Ryan applies the lesson of care and dedication to his search for his father.