Hands Down , the best anime I have ever watched or even the best T.V. program , its better to watch it upto Ep-25 only cuz the person watching the show will lose interest and its not that great after Ep-25.
The Episode 37 the last finale shows that Light Yagami died the next day after he found the deathnote , all that was left was KIRA. After watching the finale you will be surely in tears, its very sad and heart-brokening to see Light/Kira die. The finale was not what people would've expected it to be. There are so many plot twists through out the anime.