Infinite Challenge — Excessive Challenge and Master of Quiz
26 episodesFirst aired 29 October 2005
The cast solve quizzes and play games. Initially the season was similar to season one and was known as Excessive Challenge (무리한 도전).
E1Baseball Challenge
Oct 200541m
E2Horse Racing
Nov 200532m
E3Firefighting Challenge: Part 1
Nov 200531m
E4Firefighting Challenge: Part 2
Nov 200530m
E5Sweeper Challenge
Nov 200545m
E6Mental Calculation Challenge
Dec 200538m
E7Infinite Challenge - Master of Quiz Airs
Dec 200550m
E8Christmas Special
Dec 200548m
E9A Year-End Special
Dec 200547m
E10New Year's Day Special
Jan 200644m
E11Master of Quiz
Jan 200645m
E12Grandmother's House Special
Jan 200645m
E13Lunar New Year Special - Who Do You Want to Keep as a Pet?
Jan 200650m
E14Spring Special
Feb 200648m
E15St. Valentine's Day Special
Feb 200648m
E16School Graduation Special
Feb 200618m
E17Lee Hyori Special: Part 1
Feb 200653m
E18Lee Hyori Special: Part 2
Mar 200645m
E19Beginning School Special
Mar 200655m
E2020th Episode Special
Mar 200646m
E21Camping Special
Mar 20061h 3m
E22April Fools' Day Special
Apr 200655m
E23Black Day Special
Apr 200656m
E24New York Special
Apr 200655m
E25China Special
Apr 200652m
E26Yi Sun-sin Birthday Special / Lee Young-ae Special Event
Apr 20061h 30m