4 - 1Return to Holly-Odd Feb. 09, 2013- 4 - 2Mutant Mascot Feb. 16, 2013
- 4 - 3Dummy Drama & Internal Trauma Feb. 23, 2013
- 4 - 4Skull Camera Obscura Mar. 02, 2013
- 4 - 5Taking Life by the Ears, Nose & Throat Mar. 09, 2013
- 4 - 6Heads, Kegels, Knees & Toes Apr. 13, 2013
- 4 - 7Blood Suckers & Brain Eaters Apr. 20, 2013
- 4 - 8March of Pangolin Apr. 27, 2013
- 4 - 9A Bugs Afterlife May. 11, 2013
- 4 - 10Slim Goodbody's Anatomical Adventure May. 18, 2013
- 4 - 11The Mummy Phallus Returns Jun. 08, 2013
- 4 - 12Skull in the City & A Two-Headed Kitty Jun. 08, 2013
- 4 - 13Vampires of PhilaHELLphia Jun. 15, 2013
- 4 - 14Bat Man & Ryan Jun. 15, 2013
- 4 - 15Obscura is Loved to Death Jul. 13, 2013
- 4 - 16Brain Bits & Baby Gifts Oct. 29, 2013
- 4 - 17No Guts, No Gory Oct. 29, 2013
- 4 - 18Lights, Camera, Duck Impaction! Oct. 29, 2013
- 4 - 19Evan's Odd Anniversary Oct. 29, 2013
- 4 - 20No Guts, No Gory Oct. 29, 2013
- 4 - 21Evan's Odd Anniversary Oct. 29, 2013