Justice - What can I say, I'm a sucker for super hero action romps
Labyrinth - We get an inside look at Clark's psyche and how his relationships affect who he is.
Zod - Awsome season opener, with Clark having to use his head to win a battle he couldn't with just fists.
Promise - Told by three points of view, and Lana finds out...what's not to love.
Crimson - Stupid plot device, but strong storytelling make this one a winner.
Fallout - Clark reactivates the fortress, and big battle with lil bow-wow. Plus Raya does a super-roundhouse. (When will Clark learn that?)
Phantom - Great way to end the season, ties the stories from the season together, and has Clark fight his Bizarre side in the end.
Arrow - Green Arrows official introduction, and we see the code of superhero ethics at work.
Reunion - We learn more of Lex's childhood, and how it is that Oliver became a hero, and how low Lex will stoop to get his way.
Nemesis - Lex and Clark finally talk some things out, and it makes a great episode.
Noir - Guilty pleasure of the season, I love the Dick Tracey feel of the episode.
Wither - Another guilty pleasure, even if others hated it. Heck I even loved the cheezy Poison Ivy ripoff lady.
Prototype - Great action, and we get Laser beam eyes.
Freak - Lana tries to protect Clark but finds out that he's not a Krypto freak.
Progeny - Linda Carter, that's all I'm going to say.
Combat - Great action, but Clark had the intent to kill and that's never cool.
Hydro - Good episode, not great, but it had Tori Spelling. *Barf*
Subterranean - A one off episode that was more interesting than most people thought, and it had Clark doing the right thing even if it went against popular law.
Trespass - Cliche stalker plot that should've died in the first season.
Sneeze - A decent episode that was played for laughs, making me realize how seriously they are going to take this particular power.
Static - Horrible horrible episode that mostly focused on Lex and Lana and Static boy. Plus it had Jimmy suddenly becoming a science wiz. The only good thing was the little bit Clark had plus the Martian Manhunter reveal at the end.
Rage - Another cliche'd plot with someone acting out in violence because they weren't themselves....I truly did not like this episode.