Doctor Doctor Guest cast, played by Ellis Watts Episode 3x03: Episode 3 (Aug 20, 2018) Episode 3x04: Episode 4 (Aug 27, 2018) Episode 3x05: Episode 5 (Sep 3, 2018) Episode 3x06: Episode 6 (Sep 10, 2018) Episode 3x08: Episode 8 (Sep 17, 2018) Episode 3x09: Episode 9 (Oct 1, 2018)