sort by Season and Episode and filter by Season
Enable podcasts to be sorted by their Season tags and Episode number tags SxxExx and filtered by their Season tag within a the podcast's episode list.
While most use seasons chronologically, some use the season to group content type. An example is Purple Rocket podcast, a children's storytelling cast, who use seasons to group storylines. RPG podcasts are using it to group actual play storylines from review and interview content.
Season is an alphanumeric, while episode is numeric.