justanotheridijiton:

“In this episode my whole thought pattern was ‘How was I gonna shoot this so it’s a little bit different than normal?’ because it’s a dream sequence, basically, without all the ding-a-lings and stars. So, on Sam, it’s normal, when you see the stuff out the window. On Matt’s side, everything’s a bit larger and flares a bit as it passes. That’s the only difference and it’s very subtle, but it’s there for a purpose.”

Director Tom Wright | SPN 11×04 DVD commentary