Jorge lies, telling the robot that he and the others were sent to the compound by Horatio Holsom. The robot, now nicknamed "Rover" by Mouse, fixes the broken elevator that brought the kids to the laboratory and allows them to go home.

Afterward, Lucy's parents ground her for staying out so late and for not telling them where she had really been. She confides to her brother Noah who promises not to tell anyone if Lucy will tell him the truth. But Noah has a hard time believing the tale involving a secret underground laboratory and a giant robot.