集数
- 第 2 季第 8 集 - Comets: Mysteries from Deep2018年8月7日42 分钟Astronaut Mike Massimino reveals the alien secrets of comets, strange visitors from deep space that might be responsible for life on Earth.前 3 个月的订阅费用为 US$0.99/月,之后为 US$4.99/月
- 第 2 季第 9 集 - The Sun: Secrets of Our Star2018年8月14日42 分钟Astronaut Mike Massimino journeys to the Sun, revealing the secrets of Earth's star and how it will one day destroy the planet.前 3 个月的订阅费用为 US$0.99/月,之后为 US$4.99/月