I just finished the last episode. This show was very well done. The FF is a corner of the Marvel Universe I've barely explored and this show represented a lot of it, creating new stories without creating new characters.
Cons: 1. There are only about ten villains in the whole series. They rehashed them over and over and over and...
2. Johnny is so mean and annoying that I get mad at him, even though he's fictional.
3. Over and over, New York was covered by a gigantic, obvious problem. I just kept thinking "Where's Spiderman? He lives there too." I know it shouldn't be about him, but still, for example, when the city is covered with monsters in the first episode, Peter should be down there fighting one as they fly by. (And I think the Avengers are there too)
4. Herbie needed reprogrammed.
Pros: 1. From the second episode on, the series is very creative and the fights are always diverse.
2. Hulk, She-Hulk, and Iron Man.
3. This series could easily be fitted into the regular marvel continuity. Nothing that I noticed required an alternate dimension label (although, since there are already at least 580...)
4. No rehash origin story.
5. No gore, cursing, or sexuality. If this was a movie, it would be rated PG for (mild?) animated violence.
6. Enough plot to make everyone except Johnny loveable, but enough action to keep it from getting boring.
7. The Thing likes soccer.
Recomendation: Watch two episodes. If you still hate it, quit. But you will probably want more