Infinite Challenge· Season 3 · Episode 37Infinity Doctors - Examining Jeong Hyeong-donS03E37·January 20, 2007·1h 30m·MBCStreaming on (US) See allSharePreviousNoh Hong-chul's X-Files - Who owns the 'Red High-Heel' ?S03E36 · 7.0Next1970's-80's Special at the Roller RinkS03E38 · 8.0Keep going