Doctor Doctor Guest cast, played by Lester Morris Episode 3x01: Episode 1 (Aug 6, 2018) Episode 3x04: Episode 4 (Aug 27, 2018) Episode 4x05: Episode 5 (Mar 4, 2020) Episode 4x09: Episode 9 (May 6, 2020) Episode 5x02: Episode 2 (May 5, 2021) Episode 5x06: Episode 6 (Jun 2, 2021)