 " Roosters " was written by frequent collaborators Glen Morgan and James Wong , who also served as co @-@ executive producers for the second season . It was the thirteenth episode to have been written by the pair , who had penned several across the first and second seasons of the series . " Roosters " was directed by Thomas J. Wright ; Wright had directed twelve episodes previously and would helm a further thirteen over the series ' run . Wright would also go on to direct " Millennium " , the series ' crossover episode with its sister show The X @-@ Files . 
