S04E0343 min· aired 10/2/2008

In the Beginning

TMDb8.5

Nexus es659685TMDb ep 162451TVDb ep 374857

Overview

Back to the future, Castiel sends Dean to 1973 Lawrence, Kansas, where he meets a nice young couple named John and Mary Winchester. Dean's parents. And Mary has a secret.

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S04E02

Are You There, God? It's Me, Dean Winchester

S04E04

Metamorphosis