1. Arnold himself.
2. Well-developed, complex and dynamic cast of characters.
3. The music.
4. Their struggle is real.
5. Along with real problems, came real lessons.
6. Arnold and Helga's will-they won't-they non-relationship.
7. It's not just a kid's show.
6. Arnold's sense of style.
7. The fact that it isn't quite over yet.
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