Back in March, Paramount Pictures and Warner Bros. announced they are co-producing and co-distributing director Christopher Nolan's Interstellar, a move that raised a few eyebrows around Hollywood. More details have emerged from this deal, revealing that Warner Bros. gave up the rights to their Friday The 13th franchise, along with their stake in a future South Park movie, to be a part of this sci-fi thriller.

Interstellar was initially set up at Paramount, but Warner Bros. wanted in on the project so badly, they were willing to give up their Friday The 13th and South Park rights, which they shared in complicated deals with Paramount. This was all to be a part of Christopher Nolan's next potential blockbuster, and retain their relationship with the filmmaker who brought them huge commercial hits such as The Dark Knight and Inception.

Both Paramount and Warner Bros. had to be 50-50 partners on the 2009 Friday the 13th reboot, and the reason that a sequel has not been made yet is largely due to the complicated rights issues. The studios were also partners on 1999's South Park: Bigger, Longer & Uncut, since Warner Bros. still retained some rights to the property from its previous ownership of Comedy Central.

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However, Paramount only has these rights for the next five years, so don't be surprised if Friday The 13th and South Park movies are announced in the near future.