Complex sentence: His best known roles were in the shows "El Chavo" and "El Chapulín Colorado", both series premiered in 1973 and were based on sketches of the same name from "Los Supergenios".
Split into simpler sentences: His best known roles were in the shows "El Chavo" and "El Chapulín Colorado". Both series premiered in 1973, and were based on sketches of the same name from "Los Supergenios".