Supernatural Season 4 Episode 3
In the Beginning
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.
Guest Stars
Misha Collins
Castiel
Matt Cohen
Young John Winchester
Allison Hossack
Deanna Campbell
Christopher B. MacCabe
Dr. Brown
Ken Camroux-Taylor
Mr. D