The October 4 airing of MBC Every1's 'Weekly Idol' welcomed various K-Pop idols onto the show such as Highlight, GOT7, Oh My Girl, and VICTON in light of the show's 10th-anniversary.

In order to celebrate the special occasion, the singers got together to participate in numerous games when it was Highlight's turn to take on the relay mission 'Infinity Girls 100-second relay'.  Their mission was to complete the given tasks in a matter of 100 seconds.  With the timer kicking off, the members scrambled to master various acts such as performing situps together, going through a hula-hoop without breaking their hand chain, and building a human pyramid.

Did they successfully tackle the challenge? Check the video above to find out or check below the following image for spoilers.

Spoilers: 

To the viewers' amazement, Highlight successfully tackled the challenge in just 43 seconds, demonstrating their impressive teamwork and inseparable bond.