Ah yes, Digimon. One of my first real fan-obsessions as an anime otaku.
When the show first came to the US, I thought the dub was crap, but I really got to enjoy the character development and the storyline, not matter how predictable it tended to be.
The Digimon anime currently has five seasons: Digimon Adventure, Digimon Adventure: Zero 02, Digimon Tamers, Digimon Fronier, and the most recent one is Digimon Savers (which I have heard is supposed to be brought to the US soon; it's finished already in JP). My favorite of the seasons would have to be the first, mainly because of the fact that it began the whole introduction to the Digital World and the eternal battle between Good and Evil with the Digimon that live there. The characters in this season were normal kids, each with their own personal battles and personalities that made them special and unique to the story's plot. Eventually, they learn about their destiny to help save the Digital World from succombing to the darkness by using the natural traits of friendship that they each hold within them. Best season ever. The main eight characters' journey continues a couple of years later in the next season, Zero 02, in which the two youngest main characters, Takeru and Hikari (TK and Kari, in the dub), meet three new heroes and a new villain that yet again threatens the safety of all those that dwell in the Digial World. The other main characters still play a vital part in the season, but it's mainly a good follow-up on what has happened to them after their final battle with their Digimon.
However, not all of the seasons were that interesting.
Season three began with an entirely-new cast of heroes (with no relation to the previous seasons) and Digimon trainers (or Tamers, as they're called here) use a method known as "card-slashing" to either add items, abilities and evolution power to battle their enemy. This season really intrigued me, but it got a bit confusing once the main hero cast grew from three to seven or eight later on in the series.
Season Four was clearly the worst of them all - mainly because I can't say anything abut Savers yet . . . I haven't been able to see the JP sub of it. Frontier is a much different concept of Digi-evolution, in which the human becomes the Digimon in order to fight. I'd only seen a couple of episodes from the dub, but I totally got confused by the way the story was told.
I will agree: this is much better than Pokemon, but the idea is pretty similar about the whole "good-fighting-evil" thing that happens throughout each episode. Digimon is much more mature than Pokemon, but IMO, the human children are easily more relatable to the viewers.
Overall, the animation is very crisp and colorful, while the different characters are made in such a way that you can easily tell them apart (Yes, in each season, you can easily tell who the leader is by looking for a pair of goggles on his head . . . why goggles - I do not know). The digimon themselves are designed to stand out, each given their own special look and qualities to show who they are . . . especially when certain ones evolve (AKA digivolve in the dub).
So, in the end, I would have given this series a perfect four stars, but the disappointment of season four cut off a half-star.
Three-and-a-half stars. I strongly suggest to check out the first two seasons in Japanese if you can. They are much better that way!