Why couldn’t they extend the server-side API to serve the content they wanted? The post opens with the words

When we architected an e-commerce platform for one of our clients

It implies they have control of the full stack, and yet they’re not making use of this advantage.

I (partially) blame tvdb for this mess. SpongeBob has every story listed as a separate episode, but good luck finding any source that doesn’t bundle these up.

Meanwhile, the list for Kaguya just bundles all stories aired together in a single episode (thankfully).