To Mr. and Mrs. Watson, Mercy is not just a pig-she's a porcine wonder. And to the portly and good-natured Mercy, the Watsons are an excellent source of buttered toast, not to mention that buttery-toasty feeling she gets when she snuggles into bed with them. This is not, however, so good for the Watsons' bed. BOOM! CRACK! Welcome to the wry and endearing world of Mercy Watson.