News TV Videos ‘Supernatural’ preview clip – Dean has to face his worst enemy Written by Lena Lamoray on November 5, 2013 Check out a new Supernatural preview clip – Dean has to face his worst enemy…a vegan bakery. Watch “Dog Dean Afternoon” tonight at 9/8c on The CW. Related posts:REVOLUTION preview clips - Watch the season finale tonight on NBC 'Supernatural' previewThe CW announces Fall 2014 premiere dates