Welcome to PEEL, Futurama Crazy.
Like killbot already said, there have been made threads for "favorite episode" lots of times already. Here are some of the threads that cover your question:Favorite Episode From Each SeasonOrder upBest Ever Futurama Episode
Please don't get mad, but this - your first own thread ever, is going to be closed as soon as a mod sees it. You see, most of the topics have already been discussed, that is why you should use the Search function
before opening new threads.
You might also want to check out the official unofficial PEELers' FAQ
, many questions you might have about PEEL have been answered in there, and also it give many useful tips on how to behave here.
Enjoy your stay here at Nerd-world.