Doc's season 2 finale wrapped up a main character's arc by having them die off screen - while another cast member could be exiting the show. During the Tuesday, April 14, episode of the Fox series, a contagion killed numerous people, including Liz (Conni Miu), before the hospital found a cure. Joan (Felicity Huffman), meanwhile, helped Westside Hospital out, but her leukemia got worse and she was seen on her deathbed in the last scene of the finale. "There was a lot of discussion that came early on in Joan's case. The good news is we had always imagined this as a one-year thing.