<P> For budgetary reasons , the other major changes were a move to production in CGI , rather than using physical models , and the addition of a voice cast to support the established narrator . The DVD feature , Hero of the Rails , was the first Thomas & Friends production to show these changes , and Series 13 was the first television series in the new format . The CGI animation for the series was provided by Nitrogen Studios of Vancouver . </P>
<P> For budgetary reasons , the other major changes were a move to production in CGI , rather than using physical models , and the addition of a voice cast to support the established narrator . The DVD feature , Hero of the Rails , was the first Thomas & Friends production to show these changes , and Series 13 was the first television series in the new format . The CGI animation for the series was provided by Nitrogen Studios of Vancouver . </P>
when did thomas the tank engine became animated
when did thomas the tank engine became animated
Series 13
Series 13