I found this on http://www.imdb.com/news/sb/2007-08-30/
"Should a writers' strike shut down U.S. television production in the coming months, broadcast networks may substitute programs produced in Canada, the U.K., and Australia, Daily Variety reported today (Thursday). Although the trade publication said that producers and networks have had "conversations" with international producers and broadcasters, no deals, apparently, have been negotiated. "I've been communicating with people and looking all over the world for ideas," NBC Entertainment Co-chairman Ben Silverman told Variety. Silverman had previously brought to U.S. television several British hit shows that were transformed into domestic hits by employing American actors and revising scripts. Chris Coelen, CEO of RDF USA, a company that has produced the British and U.S. versions of Wife Swap, Don't Forget the Lyrics, Meadowlands and Supernanny, remarked, "The tone of British television is becoming more American. ... It's made the two markets come together even more." As for concern about British accents, Coelen said, "The biggest star on American television is Simon Cowell ... and accents haven't hurt the James Bond movies." Variety also observed that ABC's one ratings winner this past summer was Just for Laughs, originally produced for Canadian TV. "