Badd Blood: In Your House was the 18th In Your House and inaugural Bad Blood professional wrestling pay-per-view (PPV) event produced by the World Wrestling Federation (WWF, now WWE). It was held on October 5, 1997, at the Kiel Center in St. Louis, Missouri. Seven matches were contested at the event. The event was notable as it featured the promotion's first-ever Hell in a Cell match, which pitted The Undertaker against Shawn Michaels and saw the debut of Undertaker's storyline brother Kane, who interfered in that match, which allowed Michaels to win and become the number one contender for the WWF World Heavyweight Championship against reigning champion Bret Hart at Survivor Series. The show would also mark the last time Vince McMahon was featured as the chief broadcaster of the commentating team for a pay-per-view event and started his career as an on-screen professional wrestler using a gimmick known by the ring name Mr. McMahon, based on his real life persona. According to WWE, the Montreal Screwjob, which took place at Survivor Series 1997, is considered the beginning of the Attitude Era. Thus, Badd Blood: In Your House was the last WWF PPV of the New Generation Era. This was one of the In Your House events which later became the title of an annual pay-per-view, replacing ... ()