Here are some of the podcasts I listen to:
1.
On the page podcast. A very intriguing and laid back podcast that lets you know what is happening in the screenwriting industry and what to expect and how to get your big idea rolling, plus it explains you what no to do and what to do that will make your screenplay a million times better and acceptable.
2.
Creative screenwriting magazine podcast. On this podcast interviewees talk about the craft of screenwriting and and what they have learn. Their process and skills that must be learned to execute a good screenplay to keep the audience guessing.
The rest:
Filmspotting, talking about movie reviews and plot analysis with insight details n plots and character traits.
I should be writing, a woman talks about the struggle and constant agonies of writing, specializes on novels but with writing points credible for screenplays.
The moth, interesting stories told by people who experienced them first hand, listen for ideas.
KCRW the treatment, filmmakers, actors, writers talk about their latest project and how it got made.
KQED the writers blocked, a authors read from their latest books.
Simplyscripts, about the industry's state and ideas for writing deeper stories.
So there they are make sure to check them out, they really help when experiencing writers block or searching for ideas or formulas to how to approach a screenplay. Get writing.