Giant Sam, so tall angels make their nests in his hair.

Cas and a few of his angel siblings become very small and build a nest in Sam's hair. It's pretty damn adorbs.

Castiel makes a nest on Sam's head

Sam is looking at the floor, expecting an explanation.

Sam is asking the black and white tile floor to explain itself!

Sam accuses the floor of being the culprit, and Dean is upset at how stupid sam has become

sam yells at a floor while dean watches

SAM WUT ARE YOU DOIN THAT IS THE FLOOR, THE FLOOR CANT HEAR

Sam looks at the floor boards and tells them not to get laid by crazy people