Justified Season 1 Episode 10 (Justified s01e10) with title “The Hammer” airs on Tuesday, May 18th 2010 at 10:00 pm via FX.
Here is summary for Justified Season 1 Episode 10 :

Determined to repair the damage hes done, Raylan takes time away from his assignment bodyguarding an eccentric judge to track down an old lead.

Few hours after original series aired on TV, online streaming video for Justified Season 1 Episode 10 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.