A frightened horse is on the loose in Citytown, and Sparks' Crew tries to help catch it. But, how can they get near it when the horse runs away whenever it sees them? Curriculum: Some animals have camouflage that helps them blend into their surroundings, which keeps them from being seen. / Sparks' Crew investigates mysterious purple plants that keeps popping up all over Citytown. Where are these plants coming from? And how do they stop them? Curriculum: Seeds are dispersed in many ways. Animals can disperse seeds, which helps some plants grow in different areas.