When a hailstorm causes damage around Citytown, Sparks' Crew calls upon the famous hero, Hail Caesar, to help them understand more about hail. Curriculum: Severe weather, such as a hailstorm, is different from typical weather. / It's Picture Day at Hero Elementary, and Sparks' Crew is determined to stay clean. But, their mission involves rescuing someone whose scooter is stuck in a giant mud puddle. How can they help without getting dirty? Curriculum: A pulley lets a person pull downward to lift something up.