▁Produ ctions ▁which ▁fin anced ▁and ▁produced ▁the ▁ 2 6 ▁episodes , ▁ ▁Ach iev ements ▁- ▁Under ground ▁Er nie ▁was ▁officially ▁declared ▁the ▁most ▁watched ▁children ' s ▁series ▁on ▁BBC ▁during ▁the ▁ 2 0 0 6 - 2 0 0 7 ▁period . ▁ ▁• <0x09> Fre el ance ▁writer ▁for ▁E aling ▁Studios , ▁T iger ▁As pect , ▁Channel ▁ 4 ▁ ▁- ▁( 2 0 0 1 - 2 0 0 6 ) ▁The ▁company ▁created ▁and ▁produced ▁a ▁popular ▁animated ▁series , ▁Under ground ▁Er nie , ▁about ▁a ▁group ▁of ▁talking ▁trains ▁and ▁their ▁human ▁colle agues , ▁Er nie , ▁Mill ie ▁and ▁Mr ▁Rails . ▁Under ground ▁Er nie ▁was ▁first ▁shown ▁on ▁C Be eb ies ▁and ▁BBC 2 ▁in ▁ 2 0 0 6 ▁and ▁has ▁quickly ▁become ▁a ▁popular ▁hit . ▁ ▁References ▁S lig oman ▁behind ▁hit ▁BBC ▁cart oon ▁series , ▁The ▁S lig o ▁Champion , ▁ 1 3 ▁September ▁ 2 0 0 6 . ▁Under ground ▁Er nie ▁is ▁to ps ▁with ▁k ids , ▁The ▁Irish ▁Post , ▁ 2 7 ▁September ▁ 2 0 0 6 . ▁ ▁External ▁links ▁ ▁Jo ella ▁Produ ctions ▁website ▁ ▁Category : 1 9 6 8 ▁birth s ▁Category : L iving ▁people ▁Category : I r ish ▁bass ▁guitar ists ▁Category : I r ish ▁television ▁produ cers <0x0A> </s> ▁Andrew s ▁Mc Me el ▁Sy nd ic ation ▁( former ly ▁Universal