On April 7, the variety program aired the first of three legend specials and relived all of their special, funny moments that were shared with the viewers for the past 13 years.

Starting from 2005 to 2008, the members chose some of the most unforgettable moments such as when they played a tug of war against a cow, raced to see if they can beat a train, helped Jung Hyung Don move, became runway models, tried to survive on an island, and much more. Check out some of the clips below!

Which 'Infinity Challenge' episode left a lasting impression on you?