EP1 - Baseball Challenge EP2 - Horse Racing EP3 - Firefighting Challenge: Part 1 EP4 - Firefighting Challenge: Part 2 EP5 - Sweeper Challenge EP6 - Mental Calculation Challenge EP7 - Infinite Challenge - Master of Quiz Airs EP8 - Christmas Special EP9 - A Year-End Special EP10 - New Year's Day Special EP11 - Master of Quiz EP12 - Grandmother's House Special EP13 - Lunar New Year Special - Who Do You Want to Keep as a Pet? EP14 - Spring Special EP15 - St. Valentine's Day Special EP16 - School Graduation Special EP17 - Lee Hyori Special: Part 1 EP18 - Lee Hyori Special: Part 2 EP19 - Beginning School Special EP20 - 20th Episode Special EP21 - Camping Special EP22 - April Fools' Day Special EP23 - Black Day Special EP24 - New York Special EP25 - China Special EP26 - Yi Sun-sin Birthday Special / Lee Young-ae Special Event