SEE ALSO: Actress Lee Joo Shil passes away at 81

On one segment of the talk show, the IOI members had to look back on some moments from their past 'Produce 101' days that they wish they could erase! IOI's Kim Se Jung, Yoo Yeon Jung, Jung Chae Yeon, and Kang Mina, who did not attend the show, surprised everyone by appearing in a pre-recorded clip, where they let their fellow IOI members know that they had exploited some of IOI's worst moments caught on camera. 

Some of them had some moments they had to exploit for themselves! Kim Se Jung began by naming the final episode of 'Produce 101' when she bawled after the final rankings were announced. She regretted not being cautious about her nostrils flaring while she cried. Yoo Yeon Jung only had to hint at her worst 'Produce 101' moment, which turned out to be the tantrum she threw when she was forced to get a shot during her physical examination. Finally, Kang Mina named a moment toward the beginning of the 'Produce 101' series when the camera caught her dozing off! 

What other moments did IOI bring up from the show? You'll have to tune in to the full episode of 'Yang and Nam Show' to find out!