I'm not looking for the standard anime with major filler(Bleach, Naruto, One Piece, DBZ, Inu-Yasha). I'm wondering if there are any anime you personally think just went on too long? Any that went for a 26 episode series when the story could have easily been completely told in 13? A title went for multiple seasons when it only needed one? Discuss...
My pick? Tenchi Muyo: War on Geminar. A very simple story easily hashed out in 13 episodes, stretched out too long because "Hey, it's Tenchi Muyo, fans will love it". Ugh.