With crowded fall line-ups, it’s not common that a summer shows joins the ranks of the fall’s; however, a special exception has been made for one of summer’s most popular shows. With high summer rankings, Fox’s So You Think You Can Dance takes on its sixth season this fall rather than holding out until May.
The show has even moved from the middle of the week to the beginning, airing  Tuesday at 8p.m. What effect this new time slot will have on the ratings is yet to be seen, its usual …