In the TV Series Sherlock I know there are many references to the original canon (for example the hat). Particularly variations of the episode names. A Study in Pink - A Study in Scarlet A Scandal ...
In the Harry Potter book series, Peeves is a poltergeist that roams the hallways causing trouble. He never really adds anything essential to the plot line, but his scenes are amusing. Obviously they ...
We watched Beautiful Creatures last night, I've read the book and even I was confused at points. Extra ideas were added, large amounts were cut. From memory Marilyn and Ama's characters were ...