- season 1
- none
- season 2
- jo kwon & gain
- yong hwa & seohyun ✓ (rever)
- nickhun & victoria
- season 3
- eunjung & jang woo
- david oh & rise
- season 4
- kwanghee & sunhwa
- joon & yeonseo
- taemin & naeun ✓
- yoonhan & soyeon
- wooyoung & seyoung [11/32]
- jonghyun & yura ✓
- jaerim & soeun [25/38]
- henry & yewon ✓
- jonghyun & seungyeon ✓
- minsuk & yewon ✓
- shiyang & soyeon [18/29]
- sungjae & joy ✓
- cao lu & seho [03/28]
- eric & solar ✓
- jota & jin kyung ✓
- bomi & taejoon ✓
- gongmyung & hyesung ✓
- chinese version
- none
- global edition
- season 1
- hongki & mina ✓ (rever)
- season 2
- heechul & puff kuo [09/15]
- key & arisa yagi [09/15]
- season 1
mar 28 2016 ∞
feb 20 2017 +
feb 20 2017 +