He’s got a football-shaped head, he lives in a retirement home with his grandparents, and nobody really appreciates how clever Arnold really is. One of Nickelodeon’s most accessible series (for kids as well as adults), Hey Arnold! offers a breezy sense of weird humor and healthy doses of well-conceived (but never preachy) morality lessons. Avoid the big-screen incarnation in favor of … Become a Mr Skin Member and get the full review