Yearning to watch ' Bad Sister ' in the comfort of your own home? Hunting down a streaming service to buy, rent, download, or watch the Doug Campbell-directed movie via subscription can be difficult, so we here at Moviefone want to do the work for you. Now, before we get into all the details of how you can watch 'Bad Sister' right now, here are some details about the thriller flick. You probably already know what the movie's about, but just in case