Edit: FIXED, go to Amazon.com and select video then settings, player, and there should be two autoplay settings there. Then make sure to restart the prime video app. For some reason for the amazon.CA domain it's not avaible, instead you have to use primevideo.com.
Does anyone know how to stop the app from automatically playing whatever is "up next." For reference I'm using a Chromecast with Google TV. I cannot find an option and Google comes up surprisingly empty. I can do it with the app on my phone but on the CwGTV the option is not there.
Every night my Dad falls asleep watching tv and if it's on prime then it eats up our bandwidth and I have to figure out what show he was at because boomer.
I don't have prime. But I googled your title and got this