Corrected entry: In the scene where Sam and Dean are getting coffee [right after Dean puts the itching powder in Sam's underwear], as the boy behind the counter hands Dean the coffee cup you can hear him say, "Here you go, Jensen. Jensen is actually the first name of the actor who plays Dean, 'Jensen Ackles'.
Corrected entry: At the end of the episode, Dean and Sam pull up to the house to say goodbye. The moving truck has its back end facing the right, toward the front of the brothers' Impala. However, when they are driving away, heading straight without turning around, the moving truck is now facing in the opposite direction.