The Shout Factory.
They have joined forces with WB.
I have already emailed them regarding having the second season of "CHEYENNE" put onto dvd.
They have emailed me back within 2 days thanking me for being a fan and my request has been sent to the Aquisition Dept.
Fans of Clint Walker/"CHEYENNE"-I suggest should do likewise to have those extra seasons onto dvd.