"31 Days of Horror" is a series that airs during the month of October. The daily series recommends horror movies to be watched during the month of Halloween.

"31 Dias de Horror" (31 Days of Horror) was a Brazil hosted horror movie television series that was aired in 2013 and 2015. The series was produced by Nine Entertainment. Each of the two seasons having 31 episodes. The show was hosted by Gui Pereira for Season 1. For Season 2, Gui Pereira hosted the show as the horror host Barão Valsifudher. The premise of the series was that each day during October, Barão Valsifudher would review a horror movie to watch during Halloween.—The Professor