To try everything Brilliant has to offer—free—for a full 30 days, you’ll also get 20% off an annual premium subscription. Chapters 0:00 Intro 0:14 Main structure 3:05 Powerplant 6:34 Fuel system 8:17 ...

To turn off your Roku, you'll probably need to unplug it. The only exceptions are the Roku 4 and Roku TV, which you can turn off regularly.