I gave a 4.5 a while ago, but looking back at it now I should've gone with a 4. Nonetheless I enjoyed it quite a bit, I didn't think (nor did I expect) it to be the greatest achievement in the history of the show. Naturally many people were sorely disappointed for thinking in that manner. One of the things I was disappointed in was the fact that it didn't contain as many subtle reference that a classic era episode would have. That's probably due to the fact that they're trying to reach a larger audience, but it felt like a bit of a let-down. But the whole movie itself seemed more centered around the general audience, rather than the fanbase. I noticed that many scenes felt like parallels to events in the series, such as Homer's epihany bearing a strong resemblance to his chili hallucination in "El Viaje Misterioso de Nuestro Jomer". I also felt that it was pretty short, by movie standards. I liked the plot structure, however, and the subtle eco-message behind it. Regardless of its flaws I still enjoyed it, moreso than any recent episode, anyways. 4/5 or B+/A-
After watching it I felt that a sequel would be entirely unnecessary, but looking at it now I feel that a movie finale would be appreciated, if they can address some of the first movie's issues, and maybe they can make it longer than an hour and 27 minutes.