I loved the snowman ones, and the one where Hobbs was lost in the woods and the parents were calling for him.
What an imagination Watterson has!
http://www.washingtonpost.com/news/comic-riffs/wp/2014/06/06/exclusive-calvin-and-hobbes-creator-bill-watterson-returns-to-the-comics-page-to-offer-a-few-pearls-gems/