Friday the 13th etc.) of the year. Any month that starts on a Sunday contains a Friday the 13th, and there is at least one Friday the 13th in every calendar year. There can be as many as three Friday the 13ths in a single calendar year; either in February, March and November in a common year starting on Thursday (such as 2009, 2015 or 2026) (D), or January, April and July in a leap year starting on Sunday (such as 2012) (AG). The longest period that occurs without a Friday the 13th is 14 months, either from July to September the following
Black Friday (South Park) amount of cut content from "", a video game which Parker and Stone were heavily involved in the development of. However, as the episode became more and more focused on "Game of Thrones" and Black Friday, the aspects which were lifted from the game were almost entirely scrapped. "Black Friday" received critical acclaim. Max Nicholson of IGN gave the episode a score of 8.7 out of 10, writing: "Cleverly fusing elements of the Next-Gen Console War with HBO's Game of Thrones, 'Black Friday' was easily one of the best "South Park" episodes we've seen in Season 17." Ryan McGee of