Here we have a couple awesome DVD’s with about 2 hours of great video.
Volume 1 is by Dr. Erik Johnson, DVM who has over 30 years of experience with koi and answers many of the most commonly asked questions.
Volume 2 features Mark Krupka where he visits a number of beautiful individual ponds.

Running time on Volume 1 is 78 minutes and Volume 2 is about 60 minutes.