<a href="http://cwsanfrancisco.cbslocal.com/show/arrow/" target="blank_"><strong>Catch An All-New 'Arrow' Wednesdays at 8:00pm</strong></a>


(KBCW/CBS) – The highly anticipated debut episode (“The Scientist“) of Grant Gustin as Barry Allen, better known as “The Flash” premieres this Wednesday on ‘Arrow.’

Just released is a exclusive preview of the episode and includes commentary from the show’s Executive Producer, Andrew Kreisberg. There is bonus footage not seen from the original preview and a special discussion on what it took for Kreisberg to decide on Gustin to take on the iconic role.

(TM and © Copyright 2013 KBCW, 2013 The CW and its relevant subsidiaries. CBS RADIO and EYE Logo TM and Copyright 2013 CBS Broadcasting Inc. Used under license. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)