2 0 0 9 ▁and ▁concluded ▁after ▁ 2 0 ▁episodes ▁on ▁ 2 0 ▁May ▁ 2 0 0 9 . ▁ ▁Water lo o ▁Road ' s ▁fourth ▁series ▁a ired ▁in ▁the ▁United ▁Kingdom ▁on ▁Wed nes days ▁at ▁ 8 : 0 0   pm ▁G MT ▁on ▁BBC ▁One , ▁a ▁terrest rial ▁television ▁network , ▁where ▁it ▁received ▁an ▁average ▁of ▁ 4 . 7 6   mill ion ▁view ers ▁per ▁episode . ▁ ▁Plot ▁The ▁show ▁follows ▁the ▁lives ▁of ▁the ▁teachers ▁and ▁the ▁pup ils ▁at ▁the ▁e pon ym ous ▁school ▁of ▁Water lo o ▁Road , ▁a ▁failing ▁inner - city ▁compreh ensive , ▁tack ling ▁a ▁wide ▁range ▁of ▁issues ▁often ▁seen ▁as ▁tab oo ▁such ▁as ▁ster oid s , ▁giving ▁birth , ▁shooting , ▁pover ty , ▁alco hol ism ▁and ▁sm ugg ling . ▁ ▁Prem ise ▁The ▁fourth ▁series ▁pick s ▁up ▁after ▁the ▁events ▁of ▁the ▁third ▁series ▁finale , ▁which ▁involved ▁a ▁fire ▁almost ▁destroy ing ▁the ▁school ▁and ▁left ▁the ▁fate ▁of ▁several ▁staff ▁and ▁pup ils ▁unknown . ▁ ▁The ▁Kelly ▁family ▁are ▁introduced ▁as ▁prominent ▁characters ▁this ▁series , ▁often ▁referred ▁to ▁as ▁the ▁" family ▁from ▁hell ". ▁The ▁family ▁consists ▁of ▁alco hol ic ▁mother , ▁Rose ▁Kelly , ▁and ▁her ▁five ▁children , ▁who ▁all ▁en rol ▁at ▁Water lo o ▁Road ▁and ▁bring ▁many ▁problems ▁with ▁them . ▁Later ▁in ▁the ▁series , ▁a ▁major ▁plot ▁sees ▁pup