on ▁has ▁previously ▁been ▁held ▁the ▁week end ▁before ▁or ▁after ▁Hall owe en , ▁although ▁the ▁ 2 0 1 0 ▁program ▁took ▁place ▁October ▁ 3 0 – 3 1 . ▁ ▁The ▁ 2 0 0 8 ▁Hor ror th on ▁took ▁place ▁over ▁the ▁week end ▁switch over ▁for ▁Day light ▁S aving ▁time , ▁making ▁that ▁year ' s ▁program ▁ 2 5 ▁hours ▁instead ▁of ▁ 2 4 . ▁ ▁The ▁first ▁Hor ror th on ▁took ▁place ▁in ▁ 2 0 0 7 ▁to ▁celebr ate ▁the ▁t enth ▁anni versary ▁of ▁Ex hum ed ▁Films . ▁ ▁Each ▁Hor ror th on ▁has ▁taken ▁place ▁at ▁the ▁International ▁House ▁Philadelphia . ▁ ▁The ▁line up ▁for ▁each ▁year ' s ▁Hor ror th on ▁is ▁a ▁closely ▁guard ed ▁secret . ▁ ▁According ▁to ▁Ger vas i : ▁“ I ▁think ▁if ▁the ▁people ▁knew ▁what ▁they ▁were ▁seeing ▁they ▁would ▁pick ▁and ▁choose ▁and ▁chart ▁when ▁they ▁were ▁going ▁to ▁be ▁there ,” ▁explained ▁Ger vas i . ▁“ It ▁creates ▁a ▁sense ▁of ▁excitement ▁where ▁you ▁have ▁no ▁idea ▁what ▁you ’ re ▁going ▁to ▁see .” ▁ ▁Att ende es ▁are ▁given ▁a ▁book let ▁with ▁cl ues ▁as ▁to ▁what ▁films ▁will ▁be ▁shown , ▁but ▁otherwise ▁only ▁the ▁members ▁of ▁Ex hum ed ▁Films ▁know ▁the ▁line up ▁in ▁advance . ▁For ▁the ▁ 2 0 1 1 ▁show , ▁the ▁film ▁The ▁Dead ▁( 2 0 1 0 )