My titles aren't showing up in my collection?

If you added a title and you can't seem to find it, it's probably "Uncategorized". A title can be categorized into two groups, being "My Movies (You own)" or "My Wishlist (You want)" and "My Watched (You've seen)" or "My Must-see (You want to see)". If it's not been marked as either one of these then you can uncheck the categories in your preferences on the collections page (Organize > Collection).