What’s a crossover?
Something that always surprises me when I try to discuss what I write about is that a lot of people do not understand what a fictional crossover is. I felt that before reading the Television Crossover Universe, I had best explain what it is. The term crossover can be used in a very general way, or in a more specific way. In a broader sense, a crossover can be any combination of two separate series. This can include mashups. An example of this would be a story or even a picture with Dirty Harry Potter, combining the character of Dirty Harry played by Clint Eastwood with the boy wizard from the J.K. Rowling books. It can also be a story that couldn’t possibly exist within the canon of the series involved. One example was the Cartoon All-Stars to the Rescue animated special. This combined many famous cartoon characters, but presented them all as toys brought to life. For my purposes, what I consider to be a valid crossover is one where two series are combined in a way that demons...