A Song of Ass and Fire is the 245th episode of South Park, it is the second part of a three-episode story arc. What is the name of the first part?
Black Friday (South Park): "Black Friday" is the seventh episode in the seventeenth season of the American animated television series "South Park". Black Friday (South Park):  The 244th episode of the series overall, it premiered on Comedy Central in the United States on November 13, 2013. Black Friday (South Park):  The plot, which employs themes and motifs from the TV series "Game of Thrones", concerns the characters' anticipation of a Black Friday sale, with Randy Marsh taking a temporary job as a mall security guard to gain an advantage over the holiday shopping crowds, and the children of South Park split into two factions over whether to collectively purchase bargain-priced Xbox One or PlayStation 4 video game consoles to facilitate their online group gaming. A Song of Ass and Fire:  The 245th episode of the series overall, it first aired on Comedy Central in the United States on November 20, 2013.
i don't know