Definitely Harry Potter and, like the above commenter, The Talented Mr. Ripley. Oh, and the first half of My Beautiful Laundrette. I was so baffled when they actually got together that I didn't believe it at first.

(Vaguely related: I have a friend whose father watches Brideshead Revisited on a regular basis and every single time he says things like, "These days that would be considered gay.")