Group 1 - The podcast "Knock Knock World" is a collaboration between "Sound Alive" and "One Tenth," aimed at unlocking global fresh news for young audiences [6] - The first season of "Knock Knock World" is available on major audio platforms, with three free trial episodes offered [6] - The first season runs from March 25, 2025, to March 24, 2026, with a subscription price of 365 yuan [6] Group 2 - The podcast releases new episodes every Monday, Wednesday, and Friday at 6:00 AM, each lasting approximately 10 minutes [6] - The content includes discussions on various topics, such as consumer behavior and the impact of celebrity endorsements [4][5]