How Can I Help You So You're Not Afraid of Thunder and Lightning? Why Is the Moon Out During the Day?

Nessy is running his first ever race! But when he realises a storm is coming, he gets too scared to run. Jessy is Curious - How can she help her friend not be scared? And what exactly is Thunder and Lightning? Jessy thinks it's Day, but Nessy thinks it's Night. Which is it? Jessy and Nessy are Curious - Why are both the Sun and Moon in the sky? If only they could talk to the Moon to find out!