The second season of Orange is the New Black is significantly darker than the first season, but not so much as to change the total feeling of the show.
It took some of the best parts of the traditional, established style of the Muppets (breaking the fourth wall, sight gags), but integrated good changes that added a freshness to the characters.
“It's all right, children. Life is made up of meetings and partings. That is the way of it. I am sure that we shall never forget Tiny Tim, or this first parting that there was among us.”