While Pat and Cristina enjoy some vacation time, Darren and Adam take the helm and welcome back special guest, Professor Jim Davies. Jim joins the dynamic duo to talk about the 'Memory Palace', an imaginary location in your mind where one can store mnemonic images. Next up, Darren digs into used clothing donation stats and ponders the best strategy when it's time to part with those MC Hammer pants you've been keeping buried in your closet.