What are the stages when writing a TV drama?

What are the stages when writing a TV drama?

Pamela Douglas (Screenwriter) gives expert video advice on: How do I know if my idea will make a great TV drama?; How many pages is a TV drama script?; What do I do if my script is running long? and more...

Writers, whether they are working speculatively, or on a show, go through known stages. From the original concept, which generates a pitch, like a summary, to outlining all the scenes, the steps of the story, to the first draft screenplay, to the second draft screenplay, and to a polish on that second draft. After that, there may be other steps in production leading to the final shooting script.