Sam and Dean are stunned to discover the Men of Letters’ bunker is haunted. Their investigation leads them to a storage facility where the demons have been keeping a prize possession. Meanwhile, Castiel is captured by Bartholomew.
While Castiel falls into the hands of Bartholomew and his faction of angels, Sam and Dean make a startling discovery about the Men of Letters bunker... and a special captive that Abaddon's demons
They (meaning every tv series out there) dont want to loose viewers during the Winter Olympic/SuperBowl or whatever its out there right now. It makes perfectly sense.. When such events are ongoing some people zap onto those channels to watch that and some of course would stay for their series... Point is, they wouldnt have as many as usual during these events. end of story :p