Infinite Challenge — Excessive Challenge and Master of Quiz
The cast solve quizzes and play games. Initially the season was similar to season one and was known as Excessive Challenge (무리한 도전).
01 Baseball Challenge
Oct 29, 200541m
02 Horse Racing
Nov 5, 200532m
03 Firefighting Challenge: Part 1
Nov 12, 200531m
04 Firefighting Challenge: Part 2
Nov 19, 200530m
05 Sweeper Challenge
Nov 26, 200545m
06 Mental Calculation Challenge
Dec 10, 200538m
07 Infinite Challenge - Master of Quiz Airs
Dec 17, 200550m
08 Christmas Special
Dec 24, 200548m
09 A Year-End Special
Dec 31, 200547m
10 New Year's Day Special
Jan 7, 200644m
11 Master of Quiz
Jan 14, 200645m
12 Grandmother's House Special
Jan 21, 200645m
13 Lunar New Year Special - Who Do You Want to Keep as a Pet?
Jan 28, 200650m
14 Spring Special
Feb 4, 200648m
15 St. Valentine's Day Special
Feb 11, 200648m
16 School Graduation Special
Feb 18, 200618m
17 Lee Hyori Special: Part 1
Feb 25, 200653m
18 Lee Hyori Special: Part 2
Mar 4, 200645m
19 Beginning School Special
Mar 11, 200655m
20 20th Episode Special
Mar 18, 200646m
21 Camping Special
Mar 25, 20061h 3m
22 April Fools' Day Special
Apr 1, 200655m
23 Black Day Special
Apr 8, 200656m
24 New York Special
Apr 15, 200655m
25 China Special
Apr 22, 200652m
26 Yi Sun-sin Birthday Special / Lee Young-ae Special Event
Apr 29, 20061h 30m