Film Noir - It will be hard to incorporate elements of film noir into my series but I feel for the final episode it may fit in nicely, with the cameras changed to a more natural TV look, so more creative and surreal things are possible, maybe try and fit some nods to classic cinema by having one of the characters investigate a bit more as to why Blake killed himself. Other noir things I'll include are angles, maybe parts in black and white, and just an overall vibe of mystique and tragedy.
8 Foreshadowing Laws: How to Foreshadow Plot Right
Hedy Lamarr by Laszlo Willinger, 1940. I love Hedy Lamarr as a figure; not only was she drop-dead gorgeous, she was also an inventor! (We owe her a piece of technology that could be called the grandaddy of wi-fi)