Google Testing Dynamic Organization a.k.a Left-Side Navbar in SERPs

Apparently this rich media SERPs is getting more frequent in the SEPRs for books, TV shows, video games, etc where there is a Left-Side navbar in desktop SERPs (similar to the COVID-19 query result). On mobile, they appear with the horizontal subtopics. Glenn Gabe pointed out this is called dynamic organization.

Sample Query: Try searching for pete the cat on Mobile or Desktop. I was NOT able to trigger it.