{season => 1, ep => 1, title => 'Hellmouth' },
{season => 1, ep => 2, title => 'Harvest'   },
{season => 1, ep => 3, title => 'Witch'     },
{season => 1, ep => 4, title => 'Teacher'   },
{season => 1, ep => 5, title => 'First Date'},
  # [etc]
{season => 2, ep => 13, title => 'Bad'      },
{season => 2, ep => 14, title => 'Assembly' },
{season => 2, ep => 15, title => 'School'   }