▁retain s ▁the ▁original ▁two - part ▁format . ▁ ▁Series ▁( 2 0 0 1 ) ▁After ▁the ▁pilot ▁was ▁crit ically ▁acc laimed ▁a ▁series ▁of ▁four ▁episodes ▁was ▁commission ed ▁for ▁BBC ▁One . ▁Although ▁the ▁response ▁was ▁initially ▁positive , ▁view ing ▁figures ▁quickly ▁decl ined ▁and ▁the ▁final ▁episode ▁of ▁the ▁series ▁drew ▁fewer ▁than ▁three ▁million ▁view ers . ▁These ▁episodes ▁were ▁released ▁on ▁DVD ▁on ▁ 1 6 ▁January ▁ 2 0 1 2 , ▁but ▁many ▁fans ▁critic ised ▁the ▁decision ▁to ▁reduce ▁the ▁original ▁ 1 6 : 9 ▁picture ▁ratio ▁to ▁ 4 : 3 . ▁The ▁U . S . ▁release , ▁which ▁first ▁circul ated ▁in ▁ 2 0 0 6 , ▁retain s ▁the ▁original ▁ 1 6 : 9 ▁picture ▁format . ▁ ▁Re ception ▁and ▁can cellation ▁The ▁series ▁was ▁produced ▁by ▁BBC ▁Films , ▁rather ▁than ▁the ▁drama ▁division . ▁Following ▁the ▁conclusion ▁of ▁the ▁four - ep is ode ▁series ▁the ▁decision ▁was ▁made ▁not ▁to ▁recomm ission ▁the ▁series ▁despite ▁the ▁critical ▁acc laim ▁for ▁it . ▁One ▁BBC ▁ins ider ▁w ry ly ▁commented ▁that ▁it ▁was ▁" to o ▁successful ▁for ▁the ▁wrong ▁department ". ▁ ▁References ▁ ▁External ▁links ▁Mur der ▁Ro oms ▁website ▁ ▁Category : B BC ▁television ▁dram as ▁Category : S her lock ▁Hol mes ▁television ▁series ▁Category : Ed inburgh ▁in ▁fiction ▁Category : Ar thur ▁Con an ▁Do yle ▁Category : 2 0 0 0 ▁British