A show that makes you root for your own immune system like it's a sports team. Red Blood Cells panic-delivering oxygen while White Cells go full anime protagonist against invading bacteria turns the inside of your body into a place where stakes actually matter, even though you're laughing the entire time. You learn how your body actually works without noticing you're being educated, which is the opposite of how most educational anime operate.

Inside your body, cells clock in for another shift. Red blood cells hurry around carrying oxygen while white blood cells hunt for invaders. It's organized chaos in the most unexpected workplace: you. In this second season, the white blood cell U-1146 keeps rushing about in search of pathogens, driven by his wish to keep the red blood cell AE3803, the platelets, his fellow neutrophils and other cells safe and smiling. Along the way he learns that even vital cells can slip up and that some bacteria are not harmful at all. The action and comedy come from the dangers under the skin and from cells who back each other up through rough days. If you've ever wondered what's happening inside you on a cellular level, this delivers both.