Infinite Challenge's Introducing My Ugly Friend special (ep 304-305) - Special appearance, festival lady
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Infinite Challenge's Next Top Calendar Model Challenge of 2011 (broadcast in 2010) - Moderator, mentor, judge and actress.
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Infinite Challenge's IF special (ep 363-365) - Noh Hong Chul's pretend wife
Jo appeared in two episodes of the MBC TV comedy variety show Infinite Challenge on March 15 and 22, 2008.
Fans of South Korea's popular variety show, Infinite Challenge criticized the KCSC for pointing out negative remarks towards the show.
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