After an interrupted introduction, the teams complain about the number of NASA-sent space exploration rovers in the gulch, noting it would be much easier to call them using a phone if the they want to find out what the canyon is like. The rovers are seen terrorizing the inhabitants of the gulch, as Caboose is frightened by a rover's large claw, and Sheila must fend off multiple drones hitting on her. All but Grif are annoyed, as he has been able to adjust a rover to effectively make him a high-powered skateboard, and makes a ramp. (thetvdb.com)