TV Horizon Horizon 7.516/10 by 32 users Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before. Details Casts Posters Images Title Horizon Alternative Titles BBC Horizon First Air Date 1964-02-04 Last Air Date 2024-07-22 Number of Episodes 1169 Number of Seasons 60 Genres Documentary, Networks BBC Two, Casts Plot Keywords ,