In these 2013 videos from Universal Channel, the Grimm cast and answered some questions about Season 3 at San Diego Comic-Con 2013. Check out these video interviews from Universal Channel with David Giuntoli, Bitsie Tulloch, Sasha Roiz, Silas Weir Mitchell, and Russell Hornsby. Source: Universal Channel
https://vimeo.com/72004900
Grimm @ Comic-Con 2013 | David Giuntoli A
https://vimeo.com/72004899
Grimm @ Comic-Con 2013 | David Giuntoli B
https://vimeo.com/72004896
Grimm @ Comic-Con 2013 | Bitsie Tulloch B
https://vimeo.com/72001665
Grimm @ Comic-Con 2013 | Russell Hornsby B
https://vimeo.com/72001664
Grimm @ Comic-Con 2013 | Sasha Roiz A
https://vimeo.com/72005290
Grimm @ Comic-Con 2013 | Silas Weir Mitchell