Season 1
April 23, 2005
The three regular cast members, joined by three guests, attempt to complete sports-related missions in an outdoor studio. The challenges were based on viewers' suggestions.
27 Episodes
Episodes
Tug-of-War Challenge
April 23, 2005
Nothing is impossible! A super-special project to become a top-notch celebrity! "Infinite Challenge"!! The reckless class president, Yoo Jae-seok! The king of hair, Pyo Young-ho! Jeong Hyeong-don, a life lived with one strength! Only the mouth lived! Dr. Noh Hong-cheol! The special guest is Michael Jackson from Korea! Dancer Lee, Lee Jung!! Part 1 of the Super Member's Infinite Challenge! Engage in a tug-of-war with an 800kg bull, the emperor of bullfighting who conquered the whole country! Surprised by the bull's strength, the Infinite Challenge team... Group tire dragging, angry Jeong Hyeong-don struggles.. Severe training continues.. An unpredictable super-special challenge, bull vs human power confrontation!! This Saturday, the laughter bombing begins!!
100-Meter Sprint
April 30, 2005
Motorboat vs. Paddle Boat
May 7, 2005
Public Bath Challenge
May 14, 2005
Dog-Paddle Swimming Challenge
May 21, 2005
Clothes-Washing Challenge
May 28, 2005
Collecting Coin Challenge
June 4, 2005
Stand-Up Challenge
June 11, 2005
Car-Washing Challenge
June 18, 2005
Pump Challenge
June 25, 2005
Digging Challenge
July 2, 2005
Special Coverage from Guam - Part 1
July 9, 2005
Special Coverage from Guam - Part 2
July 16, 2005
Make-a-Noise Challenge
July 23, 2005
Mosquito-Catching Challenge
July 30, 2005
Summer Special: The Ghost-house Challenge
August 6, 2005
Briquette Removal Challenge
August 13, 2005
Special Coverage: Top 5 Highlights of 'Reckless Challenge'
August 20, 2005
Car-Push Challenge
August 27, 2005
Drag the Sled Challenge
September 3, 2005
Count 60 Seconds at High Altitude
September 10, 2005
Esper Ito vs. Infinite Challenge Members
September 17, 2005
Maria Sharapova vs. Infinite Challenge Members, Part 1
September 24, 2005
Maria Sharapova vs. Infinite Challenge Members, Part 2
October 1, 2005
Arm Wrestling Challenge
October 8, 2005
Applying Lipstick on Carnival Rides
October 15, 2005
Reckless Challenge Best Moments + Unaired Race with Ostrich Challenge Scene
October 22, 2005
