Ultimate High School Matchup (Cosmic Girls) Details Casts Title Ultimate High School Matchup (Cosmic Girls) Genres Reality Comedy Release Date 2017-01-21 Episode Runtime 01 Hours 30 Minutes Season Number 1 Episode Number 59 Production Companies JTBC, SM Culture & Contents Kim Young-cheol Self Min Kyung-hoon Self Kang Ho-dong Self Lee Su-geun Self Kim Hee-chul Self Seo Jang-hoon Self Lee Sang-min Self