Infinite Challenge has invited 200 citizens and 5 members of National Assembly to discuss how to make South Korea a better country. The citizens have brought their proposals that can possibly be drawn up as a new bill, and the National Assembly members help the viewers understand more about the current situations of Korea.

Congress Citizens and the National Assembly members continue on sharing their ideas and suggestions. Various bills from housing aid for college students to parental education to prevent child abuse are brought up. They are surprised to see that the bills are for those in need, and they are moved to find people dreaming of a harmonious community.

The 2018 Winter Olympics in will be held in Pyeongchang. The members are joined with famous actor Park Bo Gum. They go through the training before they actually go for rides on the official bobsleigh course. They are divided into two groups, Ugly Winner Team and Handsome Loser Team. The teams try their best in competing against each other.

With funny Bo Gum, the members are divided into two teams again and compete through team pursuit and curling. Handsome Loser Team becomes the winning team at last and Jae Seok earns a chance to participate in the Olympic Torch Relay. Meanwhile, Kim Yun A visits Infinite Challenge to promote the coming Olympics as an honorary ambassador.

Chase games are all about lies, but what if they are not allowed to lie throughout the game? The members play Honest Tag where they only have to tell the truth unless they want to receive a mysterious penalty. Not to get caught by the tagger, the runners hide and find clues while trying to make the least number of lies.

The members of Infinite Challenge visit Nok Island. The island recently reopened an elementary school just for one student, Chan Hee. He and his sister, Chae Hee, are the only kids in the island. They are the only friends for each other. The members and Actress Seo Hyun Jin prepare a special event for the people of Nok Island.

It’s the long extended holiday in Korea. The staff wants to treat the members, so they offer the corporate card for members to splurge. The members get all excited and start spending on things they always wanted. However, as the round goes on, the secret of the card is revealed.

The staff prepares future entertainment research to satisfy the viewers as entertainment field and environment change rapidly. Along with invited guest members, Infinite Challenge members gather in a large room to go through various experiments.

This week, Infinite Challenge members and invited guests go through another new experiments. Start from “Self Control Test” to “Top 3 Kiss Scenes”, they challenge themselves to succeed various experiments. Stay tuned to watch their infinite challenge!

Infinite News is back! This time, the members report surprising news. Lee Hyo Lee will make an appearance with modern dancer, Kim Seol Jin. NBA star, Stephen Curry is also planning to visit. Meanwhile, Myung Soo cleans windows of the tallest building in Korea, and Myung Soo’s wife, Han Soo Min appears with Haha, the Mapo Sheriff’s help.

As part of Jun Ha’s Grand Award Project, the members try to travel by a raft. However, the plan does not go through as well as they hoped for. Due to the turn of events, they decide to go bowling with Actor Kim Soo Hyun to acquire enough air time. Who will win the match?

The members go to Jeju Island where Lee Hyo Ri lives. Hyo Ri has been training yoga for the last three years and is now a professional instructor. The members learn various yoga moves and also how to dance freestyle with a renowned contemporary dancer, Kim Seol Jin.

The members continue to learn dancing with Hyo Lee in Jeju Island. They learn to express their emotions and opinions by dancing. Also, they prepare to pull pranks on Actor Kim Soo Hyun during their second bowling match.

Actor Kim Soo Hyun joins the show again to receive his prize on winning the bowling match. The prize is a food truck controlled by Myung Soo, and the members have to find it first before they can enjoy a meal. Also, the members excitedly gather to go on a trip the production team prepared for them, but it turns out to be something entirely unexpected.

The members are fooled into thinking that they are going on a vacation when in fact they are going to a military training camp. The nervous Myung Soo keeps messing up during the training and goes through a tough time with the rest of the members.

In this week's Infinite Challenge, the members join the fellow soldiers during Music Date and they get to hear other soldiers' painful and funny stories. The members also receive CBR training which makes them cry.

The members spend their last day at the military training center. Afterwards, they are told that they will be given a chance to go on a real vacation this time. The destination will be decided based on their final scores.

The members are asked to dress up nicely for Summer Festival. An experienced host, Kim Shin Young, joins today's episode to show the members how to enjoy the festivals to the fullest. Since the members trained so hard at the military training center, Tae Ho invites another special guest to the festival.

In today's episode, NBA superstars Stephen Curry and his younger brother, Seth Curry, join the show. Under coach Seo Jang Hoon's supervision, the members play a basketball match against these NBA superstars. Also, the members get to learn some of their shooting forms.

The members prepare to audition for an American TV series and head over to LA. Actress Bae Doo Na meets up with the members to give them advice. They also reunite with Jack Black who will give lessons on comedic acting.

In this episode, the members try to audition for an American drama. They all suit up to look smart and dandy. They are taking the audition quite seriously. While they’re being auditioned, they get to meet the famous Hollywood actress, Drew Barrymore. Everything about the audition in America will be revealed soon.

In preparation for the Night of Infinite Challenge, the members are busy building their own segments. In this episode, Jun Ha goes around looking for a producer to transform him into a “superstar”. Meanwhile, Haha is inviting celebrities who are shorter than him to a party for the short people.

In this episode, Myeong Soo forces Jae Seok to transform into a robot to deliver fresh air from Jeju Island. Haha enjoys a party with short people by drinking milk instead of wine. Meanwhile, Jae Seok holds a live talk show on the street to cheer people up.

After 11 weeks of hiatus, Infinite Challenge is back. What have the members been up to for the past 3 months? Jae Seok surprises the members in their everyday lives just before the shoot. No matter how cold it gets and no matter how hard it rains, the interview must go on!

The members of Infinite Challenge have their first official shoot in a while. They head to an unknown destination and worry for what awaits them. They arrive at Han River to find something suspicious waiting for them. Together, the members will challenge themselves to succeed in a mission they had failed previously.

The members of Infinite Challenge gather together to take this year’s college entrance exam. They must score above a certain score in each subject in order to avoid the dreaded penalty. Will these below average men be able to successfully answer the questions to the exam and avoid the penalty?

Thanks to Se Hyeong’s comment about how Myeong Soo should go on “Comedy Big League” as a newbie, Jun Ha and Myeong Soo must prepare for the show. The members review Jun Ha and Myeong Soo’s career as well as the work that current comedians do. Will Jun Ha and Myeong Soo successfully perform on “Comedy Big League”?

The members arrive at a secret room dressed in suits and ties. Only those with a gold membership card are allowed to enter. When all the members finally gather in the room, they are given a special mission. They must meet the hottest people of 2017 and ask them a unique question. Who will they meet, and will they be able to surprise the guests with their questions?

The members arrive at a boxing gym in anticipation for their meeting with Manny Pacquiao. Yoo Byung Jae joins them to coach them on how to box. Together, they learn the basics of boxing and do various drills to prepare. They meet Manny Pacquiao for a chance to beat him in the ring. Will they be successful?

The day of their match with Pacquiao is finally here. The Infinite Challenge members suit up with various specialties for a chance to beat Pacquiao. Will they be successful? Meanwhile, the members gather for an important announcement.

These days, it is hard for the youth to get a good job. The Infinite Challenge members are given the opportunity to interview at various companies to experience what a job interview is like. They go through the nerve-racking process in hopes to pass the interview.

This week, the Infinite Challenge members are sent to random places, and they are given just an hour to prepare for the task that's given to them at their destinations. How fast will they be able to come up with ideas and complete the task? Stay tuned to find out!

This week, the members are placed in a situation where they are given only an hour to complete the task that's given on the spot. Jae Seok has to sweep a 100m high bridge one hour before the tourists come. Jun Ha has to run a 10km marathon. Myeong Soo is back in the army. Will they be able to complete the given tasks before their time runs out?

The members divide up into two teams. They are Team In and Team Out. All day, both teams will do various activities indoors and out, and they post videos on their social media. The team who gets the most number of likes will win. Which team will garner the most attention from their followers and win?

22 years ago, H.O.T. debuted and captivated the hearts of many teenage girls. At the height of their fame, they decided to part ways but not before making a promise to their fans. They promised that the goodbye was temporary and that one day they will come back as one. As time passed, their fans wondered, "Will H.O.T. come back as a whole, just like g.o.d. and Sech Kies?" It's been 17 years since then, and the 5 members have finally come together to keep their promise through Infinite Challenge.

The fans have waited for long enough. They have brought out the white balloons again. Infinite Challenge has brought back H.O.T. from 17 years ago and reunited the 5 idol stars with their fans. H.O.T. and their fans all bring back their good old memories together.

The members throw a party for Sae Ho to celebrate his 100th day on Infinite Challenge. Instead of throwing a regular party, the members decide to copy the theme of a party that's traditionally thrown to a baby after its 100th day. For the next half of the show, Celeb Five joins to perform their new single, "I Want to Become a Celebrity".

For today's episode, the members of Infinite Challenge are locked up in a chatroom where their friends are invited. Nam Chang Hui, Park Na Rae, Kim Je Dong, Kim Min Jong, Kim Jong Min, and Ji Sang Yeol join as the members' friends. They give directions to the members in the chatroom and the members have to follow them exactly. Stay tuned to check out various missions given to the members!

Korean women's curling team who sparkled a curling craze join the Infinite Challenge members for today's special. The five players, Kim Eun Jung, Kim Young Mi, Kim Kyeong Ae, Kim Seon Yeong and Kim Cho Hee hail from Uiseong, which is home to a curling center where their journey began. The Infinite Challenge members and the so-called Team Kim divide into Team Jae Seok and Team Eun Jung for a game of curling. Stay tuned to find out the winner!

This week, the members have to carry out the missions given by their friends. Jae Seok has to go see Je Dong's mother and visit his father's grave. Haha has to get an endoscopy. Sae Ho has to go on a silent retreat. Se Hyeong has to try Na Rae's grandmother's food. Myeong Soo and Jun Ha have to climb up a mountain and look back upon their lives. Will they be able to complete every mission? Stay tuned to find out!

The members of Infinite Challenge continue to carry out the missions given by their friends. Se Hyeong visits Na Rae’s grandparents in Muan. Haha gets a medical checkup and gives a lecture to middle school students. Myeong Soo and Jun Ha go on a hike at Mount Seorak. Infinite Challenge finishes their program while remembering the 13 years they spent together.