TV Showtime INFINITE - Season 1 Episode 1 : Episode 1 Showtime INFINITE - Season 1 Episode 1 : Episode 1 /10 by 0 users Details Casts Posters Images Title Showtime INFINITE - Season 1 Episode 1 : Episode 1 Alternative Titles First Air Date 2015-12-10 Last Air Date 2015-12-10 Number of Episodes 1 Number of Seasons 1 Genres , Networks , Casts Jang Dong-woo, Lee Seong-jong, Kim Sung-kyu, L, Nam Woo-hyun, Lee Sung-yeol, Lee Ho-won Plot Keywords , Jang Dong-woo Lee Seong-jong Kim Sung-kyu L Nam Woo-hyun Lee Sung-yeol Lee Ho-won Episodes List Showtime INFINITE Season 1 :Episode 1 Episode 1 Episode 1 2015-12-10