[4] Though Playful Kiss received low ratings in South Korea in the five to seven percent range, it was sold to 12 countries in Asia for approximately US$3,400,000 and developed a strong cult following, having been streamed 70 million times on Viki and earning US$400,000 in ad revenue through online streaming.

[8] A ditsy and unpopular Oh Ha-Ni (Jung So-Min) is in love with her opposite, Baek Seung-Jo (Kim Hyun-Joong) who is a smart and popular boy and never accepts her feelings.

Tension rises when Oh Ha-Ni and her dad have to live in the same home as Baek Seung-Jo and his parents due to unexpected reasons To show Ha-ni and Seung-jo's married life, Playful Kiss: Special Edition was released on YouTube beginning November 2, 2010.

[8] Kim Hyun-joong was later interviewed by Anna Coren on CNN's TalkAsia in which he discussed the significance of YouTube in spreading awareness about Korean culture.

This theatrical edition was released exclusively in Japan on a limited run to selected theaters in Tokyo and Osaka in December 2012.