Lily is a strong-minded little girl and she has a pet dragon! She has to train it and teach it everything she knows - especially all the most important magic words: Please, thank you, you're welcome and excuse me. It isn't always easy, though. Little Dragon is a bit of a mischief-maker. It gets into a lot of trouble and doesn't always understand why he has to say those words. But Lily is patient and, one step at a time, she'll make it understand which of the magic words is the most adapt for the situation it has gotten himself into.
From S01E52 of The Read Me a Story Dad Podcast
How to Teach Your Dragon to Say Thank You read by Dads