A second tagline read: "He""s the hero - that""s right - the hero!!"It opened in London as a British musical stage play in mid-June of 1973 (and playing in various venues), and then in Los Angeles (at The Roxy Theater, a rock-n-roll nightclub on the Sunset Strip) in late March of 1974 (for a duration of nine-ten months).Cochran""s plan was to air his commercial, advertised as the "big giveaway," at 9:00 pm Halloween night throughout the country, during a "Horror-a-thon" showing.Jason remained dead in Part 5.]Film Notables (Awards, Facts, etc.)With a production budget of approximately $2.6 million, and box-office gross revenues of $33 million (domestic).An improperly-named film, since this wasn""t the "final chapter." The next film was calledFriday the 13th, Part V: A New Beginning (1985).The film franchise also announced aseconddemise and ending film for the series, with the title of its ninth installment,The Final Friday (1993), but the lucrative series kept going nonetheless.Suspicious of Harry, Snape then accused him of stealing Veritaserum, a truth serum, an ingredient for the brewing of Polyjuice Potion, used for impersonating the appearance of someone else.