The e² series is available on DVD through PBS Home Video. To order, call 1.800.PLAY.PBS, or visit

The e² series is also available as a digital download through the iTunes online store. To purchase, search for "e2" in the iTunes store browser, or click one of the following links to launch the iTunes application:

e² design season one
e² design season two
e² design season three
e² energy
e² transport