You can subscribe to the SMA - Sailor Moon: Abridged podast by clicking the link (may only work in some browsers). At the top of the page there are options, allowing you to choose the subscription method of your choice.
This podcast is iPod-compatible. Simply select "Choose Application" if you do not see iTunes listed as a subscription method.
You can also go into iTunes and select "Advanced" from the top menus. Then click "Subscribe to Podcast" and enter in the information for the RSS feed: http://sailormoonabridged.blip.tv/rss/itunes/
There you go! Now your iPod is subscribed to the SMA - Sailor Moon: Abridged podcast! What more could you ask for, right?