As a lifelong Friday the 13th fan, I've often marveled at the convoluted continuity of the film series. Was Jason actually drowned in the lake, or did he escape to the woods? How long was it between the first movie and the sixth? How long was he in Hell? And where do the novels fit in during all of this?
Fortunately, the Youtube channel Friday the 13th Network made the most comprehensive study of the series. It encompasses everything from the movies to the games to the comics to the young adult series. Check it out below!