Likutei sichos vol. 35 page 156 ff.

How the brother’s hear the dream How Yoseph hears the dream How Ya’akov hears the dream and what is Yaakov waiting for? [The geula].

Likutei Sichos vol. 25 page 204 ff.

This class begins the story of the twelve sons of Ya’akov and is a new chapter in the Torah’s narrative: the children’s story. Yoseph tells his father and brothers his dreams. What is he thinking?! what is Ya’akov thinking? and what are the brothers thinking? Ya’akov sees the missions of all twelve of his sons…