Jason Voorhees on a minor aspect of him. Jason made his first cinematic appearance in the original "Friday the 13th" on May 9, 1980. In this film, Jason is portrayed in the memories of his mother, Mrs. Voorhees (Betsy Palmer), and as a hallucination of the film's protagonist, Alice (Adrienne King). Though the character makes no contemporary appearance onscreen, he propels the film's plot—Mrs. Voorhees, the cook at Camp Crystal Lake, seeks revenge for his death, which she blames on the camp counselors. Jason's second appearance was in the sequel, "Friday the 13th Part 2" (1981). Revealed to be alive, an adult
Friday the 13th: The Series the last episode was to unite the movie and television franchises by having the final item recovered (see "Premise" above) be the hockey mask belonging to Jason Voorhees. This remains unfounded and while there was talk about having a hockey mask on one of the sets as an in-joke, there was never any serious intention to mix the film series into the television series. The series, about a group of individuals rooting out evil supernatural occurrences, created a mold which many later series fit into. "Buffy the Vampire Slayer", "Angel (1999 TV series)", and "The X-Files" all have many episodes