Dallas - Season 5 Episode 4 -

As they prepare to do battle for temporary custody of John Ross, J.R. concocts a scheme to undermine Sue Ellen's chances. Pam's depression takes a turn for the worse. Ray vows to continue his development projects. Cliff becomes part of Wentworth Tool and Die, and is introduced to his half-sister, Katherine. At the custody hearing evidence is produced that surprises J.R.