▁This ▁second ▁Zo om ▁series ▁ran ▁for ▁seven ▁seasons ▁( 1 9 9 9 – 2 0 0 5 ), ▁each ▁featuring ▁seven ▁children — 3 2 ▁in ▁total — called ▁" Z oom ers ". ▁It ▁completed ▁tap ing ▁a ▁pilot ▁episode ▁in ▁September ▁ 1 9 9 5 ▁with ▁a ▁different ▁cast , ▁which ▁was ▁circul ated ▁among ▁fund ers ▁by ▁early ▁ 1 9 9 7 ▁and ▁a ired ▁on ▁television ▁in ▁November ▁of ▁that ▁year . ▁The ▁show ▁had ▁aud itions ▁for ▁its ▁e ighth ▁season ▁but ▁on ▁December ▁ 9 , ▁ 2 0 0 4 , ▁it ▁was ▁announced ▁that ▁the ▁show ▁had ▁been ▁cancel led ▁after ▁seven ▁seasons . ▁The ▁can cellation ▁was ▁bl amed ▁on ▁the ▁rising ▁competition ▁of ▁k ids ▁TV , ▁which ▁resulted ▁in ▁a ▁dram atic ▁drop ▁in ▁ratings ▁for ▁the ▁show . ▁The ▁series ▁finale ▁a ired ▁on ▁May ▁ 6 , ▁ 2 0 0 5 ▁on ▁most ▁P BS ▁member ▁stations , ▁without ▁any ▁reference ▁of ▁the ▁show ’ s ▁ending . ▁R er uns ▁a ired ▁on ▁some ▁P BS ▁stations ▁until ▁ 2 0 0 6 ▁or ▁ 2 0 0 7 , ▁when ▁the ▁show ▁was ▁pulled ▁from ▁the ▁P BS ▁line up ▁entirely . ▁ ▁Season ▁over view ▁ ▁Cast ▁members ▁ ▁Seg ments ▁Zo om ▁Sci : ▁Exper iments ▁to ▁explore . ▁Sometimes ▁this ▁segment ▁features ▁brain ▁te as ers ▁or ▁observation ▁surve ys ▁that ▁require ▁view ers ▁to ▁send ▁in ▁results . ▁Zo