Nurse Jackie Season 2 Episode 12 (Nurse Jackie s02e12) with title “Years of Service” airs on Monday, June 7th 2010 at 10:00 pm via Showtime Network.
Here is summary for Nurse Jackie Season 2 Finale :

In the season finale, Jackie returns to All Saints where she must confront everyone.

Few hours after original series aired on TV, online streaming video for Nurse Jackie Season 2 Episode 12 usually available on Net and of course, if video available, as soon as possible will show you where you can watch this episode for free.