▁over ▁ 6 0 ▁years ▁of ▁I TV , ▁its ▁hom eg rown ▁program mes ▁have ▁become ▁among ▁the ▁best ▁remembered ▁as ▁well ▁as ▁being ▁extremely ▁successful . ▁Before ▁the ▁ 1 9 9 0 s , ▁nearly ▁all ▁of ▁the ▁content ▁for ▁the ▁channel ▁was ▁produced ▁by ▁the ▁fifteen ▁franch ise ▁license es : ▁the ▁regional ▁companies . ▁ ▁However , ▁in ▁the ▁last ▁de cade , ▁and ▁following ▁legisl ation ▁in ▁the ▁Broadcast ing ▁Act ▁ 1 9 9 0 ▁impos ing ▁a ▁ 2 5 % ▁qu ota ▁for ▁commission ing ▁of ▁independent ▁produ ctions , ▁the ▁number ▁of ▁program mes ▁from ▁independent ▁production ▁companies ▁not ▁connected ▁to ▁the ▁traditional ▁I TV ▁Network , ▁has ▁increased ▁rapidly . ▁Notable ▁examples ▁include ▁T alk back ▁Th ames ▁( one ▁half ▁of ▁which , ▁Th ames ▁Television , ▁was ▁itself ▁a ▁former ▁I TV ▁franch ise e ), ▁produ cers ▁of ▁The ▁Bill ▁and ▁co - produ cers ▁of ▁The ▁X ▁F actor , ▁and ▁ 2 way tra ffic ▁( pre viously ▁Cel ador ), ▁produ cers ▁of ▁Who ▁W ants ▁to ▁Be ▁a ▁Mill ion aire ?. ▁ ▁From ▁the ▁late ▁ 1 9 9 0 s , ▁I TV ' s ▁long - standing ▁commit ment ▁to ▁strong ▁current ▁affairs ▁and ▁document ary ▁programming ▁began ▁to ▁dimin ish ▁with ▁the ▁ending ▁of ▁produ ctions ▁such ▁as ▁World ▁in ▁Action ▁( G ran ada ▁Television ), ▁This ▁Week ▁( Red iff usion ▁London / Th ames ▁Television ), ▁First ▁T