Learn how to build a ChatGPT plugin for searching Lex Fridman podcasts in this comprehensive tutorial video. Discover the process of creating a plugin that allows users to ask questions about Lex Fridman podcast content and receive accurate answers with episode citations. Explore the plugin's architecture, based on OpenAI's chatgpt-retrieval-plugin template, and understand how it searches and retrieves information from podcast transcripts. Follow along as the video covers creating and indexing podcast transcripts, hosting the API on DigitalOcean, and installing the plugin in ChatGPT. Gain insights into the potential of ChatGPT plugins and their applications for enhancing AI-powered conversations.