Friday the 13th Part 2 (1981)

Friday the 13th Part 2 is a 1981 American slasher film produced and directed by Steve Miner in his directorial debut. It is a direct sequel to Friday the 13th (1980), and the second installment in the franchise.  Adrienne King, Betsy Palmer, and Walt Gorney reprise their respective roles from the first film as Alice Hardy, Pamela Voorhees, and Crazy Ralph.  Amy Steel and John Furey also star. Taking place five years after the first film, Part 2 follows a similar premise, with an unknown stalker killing a group of camp counselors at a training camp near Crystal Lake. The film marks the debut of Jason Voorhees as the series' main antagonist.