What if you could go back in time? Maybe change the outcome by changing your actions. That's what today's artists are doing, they are subtracting, and going back a few steps to alter the result. Host Julie Fei Fan Balzer is first with a watercolor monoprint. Then Seth Apter returns with his technique for subtracting instead of adding paint. Finally met Karenliiz Henderson as she literally goes back in time to rescue some vinyl records to create a keepsake.