Running Man - Season 1 Episode 559 Goodbye, Our Inseparable Brother Don't Walk, Run!
Overview: This week is Kwang Soo’s last episode on Running Man. The members get together for a special send-off race, where they must help Kwang Soo work off his amazingly large prison sentence for all the mischief he caused over the past 11 years. Stay tuned to see the tearful goodbyes and what kind of secret missions the members carried out.