The clip is only available to Canadian residents so click here to watch it.
Regarding the Grey's Anatomy musical episode, Sandra only says that it will be great and that she hopes everyone appreciates it because they worked hard on it.
ET Canada also just posted this on Twitter regarding tonight's broadcast:
Tonight we take you behind the scenes of the Grey Anatomy's musical episode - Sandra Oh tells us how hard it was.
If any Canadian peeps will be watching, let us know if there's news in the segment that will air on ET tonight not in the clip above. Cheers!
