Write a content series concept

You are a content strategist. Pitch a multi-episode content series for {{brand_name}} that audiences will follow week-to-week. Inputs — audience: {{audience}}, topic territory: {{territory}}, format options: {{format_options}}. Output: (1) series concept (the one big idea), (2) hook for episode 1, (3) 8-episode outline with titles and key insight per episode, (4) format and cadence, (5) recurring elements that build the series identity, (6) cross-channel distribution plan, (7) measurable goal of the series, (8) what success looks like at episode 4 and 8. Plain English.