▁Caroline ▁H ark er ▁with ▁most ▁of ▁the ▁other ▁voices ▁being ▁provided ▁by ▁children . ▁ ▁There ▁are ▁ 5 2 ▁episodes , ▁each ▁ 1 0 ▁minutes ▁long . ▁Its ▁first ▁broadcast ▁was ▁in ▁Wales ▁under ▁the ▁Wel sh ▁title ▁Hol i ▁H ana , ▁on ▁ 2 ▁April ▁ 2 0 0 7 . ▁Its ▁first ▁English ▁broadcast ▁was ▁on ▁Five ▁on ▁ 1 2 ▁June ▁ 2 0 0 7 . ▁It ▁has ▁also ▁been ▁broadcast ▁in ▁a ▁selection ▁of ▁other ▁countries ▁- ▁for ▁example ▁it ▁began ▁broadcast ing ▁on ▁TV B ▁Pear l , ▁starting ▁ 1 0 ▁May ▁ 2 0 0 7 . ▁Books ▁are ▁available ▁from ▁Random ▁House ▁Children ' s ▁Books ▁from ▁January ▁ 2 0 0 8 . ▁A ▁line ▁of ▁character ▁to ys ▁was ▁also ▁developed ▁by ▁Golden ▁Bear ▁To ys ▁along ▁with ▁the ▁first ▁DVD ▁of ▁the ▁show ▁which ▁was ▁released ▁in ▁November ▁ 2 0 0 7 . ▁A ▁second ▁compilation ▁was ▁released ▁in ▁Spring ▁ 2 0 0 8 . ▁ ▁Si ri ol ▁Produ ctions ▁Si ri ol ▁Produ ctions ▁(" S iri ol " ▁means ▁' che er ful ' ▁in ▁Wel sh ▁language ) ▁was ▁founded ▁in ▁ 1 9 8 2 ▁by ▁Mike ▁Young , ▁his ▁wife ▁L iz , ▁anim ator ▁Dave ▁Edwards ▁and ▁producer ▁Robin ▁Ly ons ▁and ▁based ▁in ▁Card iff . ▁The ▁company ▁was ▁originally ▁created ▁when ▁the ▁three ▁men ▁approached ▁the ▁newly ▁formed ▁Wel sh ▁TV ▁channel ▁S 4 C ▁and