The Virus Guest cast, played by Oh Yong Episode 1x01: Episode 1 (Mar 1, 2013) Episode 1x02: Episode 2 (Mar 8, 2013) Episode 1x03: Episode 3 (Mar 15, 2013) Episode 1x04: Episode 4 (Mar 22, 2013) Episode 1x05: Episode 5 (Mar 29, 2013) Episode 1x06: Episode 6 (Apr 5, 2013) Episode 1x07: Episode 7 (Apr 12, 2013)