bˈʌtlɚ pɹɪzˈɛntᵻd ðə hˈɪstɚɹi sˈɪɹiz: wˈeɪlz ænd ðə hˈɪstɚɹi ʌvðə wˈɜːld bˌiːbˌiːsˈiː wˈʌn wˈeɪlz, hˈɪdən hˈɪstɚɹiz bˌiːbˌiːsˈiː tˈuː, wˈɛlʃ tˈaʊnz æt wˈɔːɹ bˌiːbˌiːsˈiː wˈʌn ɪn tˈuː θˈaʊzənd fˈoːɹtiːn ænd tˈuː sˈɪɹiz ʌv wˈɛlʃ tˈaʊnz bˌiːbˌiːsˈiː tˈuː wˈeɪlz ɪn tˈuː θˈaʊzənd fˈɪftiːn.
Butler presented the history series: Wales and the History of the World (BBC1 Wales), Hidden Histories (BBC2), Welsh Towns at War (BBC1) in 2014 and two series of Welsh Towns (BBC2 Wales) in 2015.