Why didn't Jason die in Friday the 13th?

Jason Voorhees is the main antagonist and center piece of the Friday the 13th franchise and one of the two main antagonists of the crossover film Freddy vs. ... read more

It is explained vaguely in its sequel Friday the 13th II why Jason was alive. Apparently Pamela,his mother used Necrominicon to resurrect him though she never knew she was successful. Jason lived hiding in a crude shelter nearby camp crystal lake for 21 years till events of first film. read more

Jason Voorhees is the main antagonist and center piece of the Friday the 13th franchise and one of the two main antagonists of the crossover film Freddy vs. Jason, along with Freddy Krueger. He was an almost completely silent, undead and seemingly unstoppable killing machine. read more

Whitney can be considered a version of Ginny Field due her abilities to seem like Jason's mother. Her ultimate fate is an homage to three first original film endings. Whitney's surname, Miller, is derived from Victor Miller, screenwriter of the original Friday the 13th. read more