For your consideration, here is the PBS Nature Koko TV Show DVD, Used, from Thirteen WNET and Questar, 2004, no. QD3488, runtime approximately 1 hour.  This a a former rental.  The DVD is in nice shape though.  The case has wear on it.  It will be mailed in a box for protection.  Item pictured is the actual item up for sale and comes from a non-smoking household.  (518.746p-.10dx3)