1. Avatar
2. Death Note
3. One Piece
4. Bleach
5. Chowder (I dunno why, but I find it pretty hilarious
Movies (though it wasn't asked)
1. Porco Rosso
2. Spirited Away
3. Howl's Moving Castle
4. Castle in the Sky
5. The Simpson's Movie
*notice how I have a bit of a bias