1. The Last Stand

2. Venom of the Red Lotus

3. Light in the Dark

4. Endgame

Even though Endgame is the last on my list, I still like it very very much. I find all the season finales very good and satisfying.

1. The last stand

2. Venom of the Red Lotus

3. Endgame

4. Light in the dark

I actually found the season 2 finale rather unsatisfying.