Episode 2: Don’t Panic (Unless Panicking is Useful) The sun is going to explode in about 3.5 billion years, but anything that happens between now and then is still probably up for grabs. This episode looks at our reaction to times of extreme stress, and how to manage these reactions creatively and constructively. When to panic and when not to. What to do if you are panicking. How to get people to panic when you need them to.