I did a little more digging and found this Nova website that compliments the videos. There is an extended interview with Dr. Jirtle, a slide show about the mice shown in the film and some other materials including a teacher's guide.
Part 1: Epigenetics
Part 2: Epigenetics
[via Mark's Daily Apple]
[Image captured from the slide show off the Nova Site: http://www.pbs.org/wgbh/nova/sciencenow/3411/02-tale-flash.html]