Dean doesn't know anything for sure, but he's seen signs in their diaries and around the bunker. Maybe it wasn't all of them. "Cool. I'll drag out a couple of thermoses. He planning a little ice skating?" He is such a mom and he enjoys nesting and taking care of the people in the bunker. of course, Dean will have a flask to go with his thermos of coffee. Dean smirks. "It'll be the best pizza bread you've ever had."