One Decade fan conned two of his friends (who have seen little to no Kamen Rider) to start a retrospective podcast of Kamen Rider, using Decade as the lens.
https://www.journeythroughthedecacast.com
Episode 58: Shard 25 - Zi-O 29/30
Our hosts shake off the rust and return to the world of Kamen Rider Blade... which neither of them have seen all of, meaning the major themes of this arc leave them lost until an antagonist spells it out near the end. Plus: so many blades!