No need to feel like an idiot. There are so many plot points in 1225 eps that it's impossible to remember them all - especially if you haven't watched certain storylines in a while. And actually, rediscovering things you've forgotten is one of the fun things about rewatching the show.
Fill in the blank: Julia - "Hello, Anderson Auction House - I was referred by Philip Todd - and I was wondering if the estate of Matthew Smith included any antique ________?!"