The Train
Episode: 4x01 | Airdate: Mar 27, 2012
Episodes
A Day Without Bread
Episode: 4x02 | Airdate: Mar 27, 2012
A Thousand and One Nights
Episode: 4x03 | Airdate: Apr 3, 2012
An Escape
Episode: 4x04 | Airdate: Apr 3, 2012
The Mission
Episode: 4x05 | Airdate: Apr 10, 2012
Release
Episode: 4x06 | Airdate: Apr 10, 2012
The Visitor
Episode: 4x07 | Airdate: Apr 17, 2012
The Tables are Turned
Episode: 4x08 | Airdate: Apr 17, 2012
Stolen Kisses
Episode: 4x09 | Airdate: Apr 24, 2012
News of Anna
Episode: 4x10 | Airdate: Apr 24, 2012
The Mousetrap
Episode: 4x11 | Airdate: May 1, 2012
The Border
Episode: 4x12 | Airdate: May 1, 2012