Monsters The story of the Menéndez brothers, who were convicted in 1996 of murdering their parents José and Mary Louise “Kitty” Menéndez. Details Casts Videos Galleries Posters Season Lists Title Monsters Genres Drama Crime First Air Date Last Air Date Episode Runtime 00 Hours 00 Minutes Total Season(s) 1 Total Episode(s) on All Seasons 8 Runtime Production Companies Ryan Murphy Television Cooper Koch... Erik Menendez... Nicholas Alexander Chavez... Lyle Menendez... Javier Bardem... Jose Menendez... Chloë Sevigny... Kitty Menendez... Nathan Lane... Dominick Dunne... Ari Graynor... Leslie Abramson... Cast Announcement (Featurette) Announcement (Teaser) Original Size (1280x720) Original Size (1280x1920) Season 1 8 Episode(s)