Dean had killed the reincarnated Hitler, the one that the Thule brought back. You and Sam hadn’t stopped hearing the end of it, as you began walking back towards Baby, his trusted 1967 Chevy Impala.

“I killed Hitler. I killed Hitler.. I killed Hitler! I think that entitles me to free drinks for the rest of my life. I’m gonna get t-shirts made!” Dean grinned, which was a nice sight, as you didn’t get to see a genuine smile from him very often.