Need a 30 minute (ish) show that's addicting for workouts

I'm looking for recommendations for a 30 ish minute show that I can watch when I'm on the bike machine at the gym. Ideally something I can get hooked on so it forces me to go to the gym in the first place!

I usually like dark, gritty, mystery, crime, sci fi type shows.

Shows I've loved (but aren't necessarily 30mins): dark, from, the pitt, the bear, criminal minds, mindhunter, black mirror, lost, the 100...

Suggestions please. Thanks.