Ask any kind of question relating to any kind of Pop Culture anything. It can be in-universe, it can be about the making-of, it can be about whatever you want. something at the tip of the tongue, a half remembered lyric, or just a plot point you can’t quite grasp and Google isn’t helping?
Answer a question that other people have posed.
We do have success at this: Check out previous editions of the Pop Culture Reference Desk for more questions to answer or to learn something new yourself. For example, here’s last week’s.