Coy on Instagram: "Schoolhouse Rock! is an American educational animated series that first aired in the 1970s. It was designed to teach kids about subjects like grammar, math, history, science, and civics through short, catchy musical cartoons. Each episode featured a song that explained a topic in a fun, easy-to-remember way — for example, “Conjunction Junction” taught how conjunctions work, and “I’m Just a Bill” explained how a bill becomes a law. The series originally aired during Saturday mo