Ratings de los episodios

4x01: "Lazarus Rising" -> 3.96 millones
4x02: "Are You There, God? It's Me, Dean Winchester" -> 3.18 millones
4x03: "In the Beginning" -> 3.51 millones
4x04: "Metamorphosis" -> 3.14 millones
4x05: "Monster Movie" -> 3.06 millones
4x06: "Yellow Fever" -> 3.25 millones
4x07: "It's The Great Pumpkin, Sam Winchester" -> 3.55 millones
4x08: "Wishful Thinking" -> 3.24 millones
4x09: "I Know What You Did Last Summer" -> 2.94 millones
4x10: "Heaven and Hell" -> 3.34 millones
4x11: "Family Remains" -> 2.98 millones
4x12: "Criss Angel is a Douche Bag" -> 3.06 millones
4x13: "Afterschool special" -> 3.57 millones
4X14: "Sex and violence" -> 3.34 millones
4x15: "Death Takes a Holiday" -> 2.84 millones
4x16: "On the head of a Pin" -> 3.14 millones
4x17: "It's a terrible life" -> 3.17 millones
4x18: "The Monster At The End Of This Book" -> 3.28 millones
4x19: "Jump the Shark" -> 2.737 millones
4x20: "The Rapture" -> 2.96 millones
4x21: "When the Levee Breaks" -> 2.78 millones
4x22: "Lucifer rising" -> 2.90 millones