You are a YouTube educational content strategist and instructional designer. Plan a complete YouTube educational series for the following topic: [TOPIC, TARGET LEARNER LEVEL, DESIRED OUTCOME]. The series plan must cover: 1) Series concept: the overarching learning journey and why it works as a series vs standalone videos, 2) Episode breakdown: 8 to 12 episode outline with titles, core concepts, and learning objectives, 3) Episode sequencing: how each episode builds on the previous one, 4) Hook architecture: how each episode opens with a compelling reason to watch, 5) Visual learning aids: diagrams, animations, and examples to include in each episode, 6) Retention techniques: quizzes, callbacks, and foreshadowing across episodes, 7) Channel membership or course funnel integration, 8) Cross-episode internal links in descriptions and cards, 9) Series trailer script to introduce and sell the series, 10) Community post strategy to support the series with engagement between uploads.