First scene: Robb, Catelyn, Edmure and Brynden discuss Walder Frey while Talisa just stands there. سیکنڈ scene: Talisa reveals to Robb that she's pregnant.
Robb scene starts at 5:27: An extended version of the Robb/Edmure/Brynden scene in 3x03 where, first, Robb confronts the rest of his men, including the restless Karstark, and then has a talk with his family alone.