structural:expansion, quality:correction
Music

Manfredini did not score The New Blood and Jason Takes Manhattan because of prior film engagements, but his scores from previous films were reused. While Manfredini was working on Sean Cunningham's DeepStar Six, producer Iain Paterson hired Fred Mollin, who was scoring Friday the 13th: The Series, to finish composing the music to The New Blood. Manfredini's original music only filled half the film. Mollin returned to fully score Jason Takes Manhattan, and worked with Steve Mizer to write an original song reminiscent of Robert Plant for the opening credits. Manfredini would score the next two entries in the series before being replaced on Freddy vs. Jason. The official reason for Manfredini's replacement was because New Line wanted to take the series in a "new direction", but Manfredini contends that the final cut of Freddy vs. Jason was "just the same thing".