User blog:DJ MC CJ/FXX Simpsons Marathon

That's right folks, you aren't seeing things, they're going to do this. All the episodes including the movie will air in a 200 hour marathon starting on August 21st.

http://www.thedailybeast.com/articles/2014/07/24/a-200-hour-simpsons-marathon-that-s-unpossible.html