No production company or network will "request" a sizzle reel or demo; you must go into the pitch with a fully produced, ready-to-go sizzle. Which means you must convince your crew to work for free… or fund them out of your own pocket.
Every show—in fact, every piece of art—should be a reflection of audiences' lives... and every story throughout history can be boiled down to a single sentence.
In today's world of the Internet, online media, and social networking, being your own publicist is easier than ever (which doesn't mean it's "easy," per se… it's just easy-er).
No other industry operates by having random aspirants submit ideas via a website. So why would Hollywood?
NEVER use one-sheets or leave-behinds. Execs and producers may ask, but they almost NEVER HELP YOU.