A podcast is a collection or series of digital audio files that are made available for downloading or listening via the Internet. Each individual audio recording is known as a podcast episode.A podcast is a collection or series of digital audio files that are made available for downloading or listening via the Internet. Each individual audio recording is known as a podcast episode.A podcast is a collection or series of digital audio files that are made available for downloading or listening via the Internet. Each individual audio recording is known as a podcast episode.A podcast is a collection or series of digital audio files that are made available for downloading or listening via the Internet. Each individual audio recording is known as a podcast episode.A podcast is a collection or series of digital audio files that are made available for downloading or listening via the Internet. Each individual audio recording is known as a podcast episode.