Top 10 Things Only Adults Notice in Hey Arnold

Only adults notice these things in "Hey Arnold!" For this list, we’ll be looking at themes and references from this Nickelodeon show that you might have to be a little older to understand… unless you’re a sophisticated child like Arnold. Our countdown includes Woodstock, isolation, child neglect, and more! Which moments made YOU say, “Hey, I get that now?” Let us know in the comments!

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