Sue's "hate board" changes between shots. On the close up shots, for example, it points to one of the kids and is labeled "missing." But on the wide shot, it just has a ? over top of him. Also on the close up shot, it has Santana and Brittany labeled as "traitors" but on the wide shot it has them labeled as "unholy trinity" (with Mercedes).
Rachel's piano scene was filmed in Whittier, California.