I have to pick one?! That is so not fair.
Cause season one is the beginning of it all! The hot tube scene, making out in bars, everything was so fresh and new.
Season two had all of the angst and build up. They were actually friends this season which was great but it is like common on get back together already.
Finally season 3: one word RAIN!!!
so yeah I can't pick lol. However if I have to I am just going to season 3. Cause I can