▁tw ists . ▁Initial ly , ▁it ▁was ▁used ▁as ▁a ▁temporary ▁shelter ▁for ▁the ▁initial ▁group ▁of ▁hous em ates ▁and ▁was ▁them ed ▁after ▁a ▁typical ▁urban ▁sl um ▁house . ▁ ▁For ▁the ▁second ▁special ▁season , ▁the ▁former ▁P ino y ▁Dream ▁Academy ▁fac ade ▁became ▁part ▁of ▁the ▁Big ▁Bro ther ▁House ▁as ▁an ▁extended ▁fac ade . ▁Also , ▁the ▁ev iction ▁now ▁took ▁place ▁inside ▁the ▁A BS - CB N ▁stud ios ▁rather ▁than ▁outside ▁the ▁fac ade . ▁The ▁ev icted ▁hous em ate ▁will ▁be ▁transferred ▁by ▁a ▁car ▁leading ▁to ▁the ▁Ev iction ▁Studio . ▁ ▁For ▁the ▁fourth ▁special ▁season , ▁for ▁the ▁first ▁time ▁in ▁the ▁franch ise ' s ▁history , ▁the ▁entire ▁one - way ▁mirror ▁system ▁used ▁for ▁film ing ▁were ▁removed ▁and ▁replaced ▁by ▁real ▁walls . ▁The ▁number ▁of ▁cam eras ▁were ▁increased ▁to ▁ 5 0 ▁and ▁were ▁upgrad ed ▁to ▁robot ic ▁cam eras . ▁ ▁Prim ers ▁To ▁prepare ▁the ▁view ers ▁for ▁the ▁program ' s ▁run , ▁two ▁prim ers ▁were ▁a ired . ▁The ▁first ▁was ▁E to ▁na ▁si ▁Ku ya ! ▁( Here ▁Com es ▁Big ▁Bro ther ), ▁which ▁talked ▁about ▁the ▁ess entials ▁of ▁the ▁franch ise ▁and ▁its ▁success ▁around ▁the ▁world . ▁In ▁the ▁second ▁primer , ▁entitled ▁Ang ▁Bah ay ▁ni ▁Ku ya ▁( Big ▁Bro ther ' s ▁House ), ▁Mar iel ▁and ▁T oni ▁indirect ly ▁gave ▁the ▁view ers