The Clinic Guest cast, played by Darren Healy Episode 1x01: Episode 1 (Oct 12, 2003) Episode 5x05: Episode 5 (Oct 28, 2007) Episode 5x07: Episode 7 (Nov 11, 2007) Episode 5x08: Episode 8 (Nov 18, 2007) Episode 5x09: Episode 9 (Nov 25, 2007) Episode 6x04: Episode 4 (Oct 19, 2008)