Here is a YouTube link to a Channel 9 ident from Australia featuring characters from "The Big Bang Theory":
I was watching it and it made me think about a few things:
Do the Nine Network have to get permission from CBS/Warner Bros. for the use of "The Big Bang Theory" in their ident?
Described simply, how do video editors go about featuring the characters so smoothly in a pre-made ident? Obviously it can't have been done on a greenscreen since the characters are all the way over in the US, so how could this be done using standard footage from the show?