Episode Title:The Disappearance.Episode Description:Grimlord plots to overtake reality by making his mutants invisible. At the same time, Tao tries to teach the Troopers the importance of stealth in combat. In a comic sequence, they try to attack Tao, but are unsuccessful. They step outside to cool off. While alone in the dojo, Jeb is used as a guinea pig by Skugs and made invisible. He attacks them. Ryan discovers the skug fight and helps the invisible Jeb defeat them. They take Jeb to the lab for treatment, where they learn that Grimlord is invading, using the power of invisibility. The Troopers transform. Ryan meets Spitbot and Toxoid in a battle where they can disappear. Kaitlin and J.B. take on the skugs. They are ultimately victorious. Back at the lab, Professor Hart is successful at making Jeb only half visible (his front half). Ryan learns to appreciate things in life before they disappear.