So, Smallville Season 3. What can I say? Well, this season is considerably darker and there is far greater plot development. Its no longer a case of "clark gets a new power and uses it to defeat the latest super villian." Which in some ways is good and in others isnt quite as good. The emphasis is on individual character development, from Chloe making her deal with Lionel and the consequences to Lex's discoveries about his father.
The trouble with all this is, is that the plot gets to be slightly convoluted and bizarre. Around episode 15 you find your self longing for the simple season 1 and 2 plots. However, the feeling doesnt last and before long you are back to enjoying a high quality series.
Look out for episode 16, Crisis. Possibly the strangest episode ever! Oh and Tom Welling's 1960 style hair cut in Relic.