"The <a href='http://www.cnn.com/2013/07/14/showbiz/glee-star-dead/index.html'>death of actor Cory Monteith</a> at the age of 31 meant his hit show ""Glee"" had to figure out how best to deal with his character. Monteith's character, Finn Hudson, also died on the series. ""Glee"" is not the only one to face such a challenge..."