Infinite Challenge first greeted its audience on April 23, 2005, and it continued on for 13 years. As their last farewell, the members look back and reminisce on the countless Saturdays they had spent together. Not only the Infinite Challenge members, but even the producer is interviewed and asked questions such as which episode was the most memorable. Furthermore, the viewers are given the chance to look into the members' hearts as they reveal their truly honest feelings. What are some of the episodes that will be mentioned? Will you be able to reminisce with them? Join them on this time machine!

The producer and members of Infinite Challenge continue to reminisce the good, old days. This time, they bring back memories during the highlight of their program which was from 2008 to 2012. They talk about the chasing game they started in 2008. Jae Seok talks about one of their worst, ruined special episodes, 28 Years Later Special. Stay tuned to see if you remember those episodes too.

The producer and members of Infinite Challenge continue to reminisce the good, old days. This time, they bring up the highlights of their program between 2012 and 2018. Director Kim Tae Ho starts with the Strike Special in 2012, a video they made due to the strike at MBC. Meanwhile, Jae Seok promises that Infinite Challenge will come back some day. Stay tuned for the last episode of Infinite Challenge!