Denim. At any one time, 50 percent of the planet's population is wearing denim. It's pretty much the most popular kind of clothing ever. It's rugged, versatile and although mass produced, the wearer still feels like it projects his or her individuality. Why? That's the question Jeff Goldblum set out to answer with the latest episode of his Disney + documentary series. Sadly, a few vignettes aside, this is the least interesting entry of the bunch. OK, what's good? A sequence where Goldblum joins Indiana Jeans (yup, he's a real dude) to search for long lost denim in a mine. This has to be seen to be believed, and it's a fun sequence. I also dug a look inside a jean manufacturing planet. It's interesting how jeans are made, and made to look distressed before they even hit the rack. But the rest of the episode is just kinda meh. The risk with a show like this is not every topic warrants a full episode. It worked for ice cream, sneakers and tattoos,...