Well, there's The Day The Earth Stood Still - but sending that might be coming on rather strong ("ooh, we've been a bad species and need a strong alien to disci

Well, there's The Day The Earth Stood Still - but sending that might be coming on rather strong ("ooh, we've been a bad species and need a strong alien to discipline us"). I'd send Star Trek. It's kind of stupid, but it represents our most positive aspirational vision of the future - one where we participate with humility in a galactic diaspora. Such depictions are rare.