However , after only a few weeks , farmer Zuckerman suddenly sells Cardigan to another farmer , so Wilbur , along with Charlotte 's daughters and Templeton the rat , set out to visit Cardigan and make sure he 's okay . However , after only a few weeks , Zuckerman suddenly sells Cardigan to another farmer , so Wilbur , along with Charlotte 's daughters and Templeton the Rat , set out to visit Cardigan and make sure he 's okay .