Listen to missing episodes for your favoriate podcasts
Podcast feed usually doesn't include all past episodes. Backpod tries to build the past episodes feed for you.
Episodes in feed: 357 Past Episodes: 1539 historical feed
Episodes in feed: 150 Past Episodes: 1012 historical feed
Episodes in feed: 60 Past Episodes: 1200 historical feed
How to use it?
Enter a feed url like this one or this one and Backpod crawls it's historical content. If all goes well, it builds a new feed with all historical episodes and gives you a link then you can add it in your podcast app.
You can also find more from the intro blog post.