Follow these steps to set reminders on your Smart TV:

1. Go to the TV's main menu
2. Select the Amazon Prime Video icon which should appear in the menu
3. Using the directional pad on your remote, select Search & More on the left top corner of the Amazon Prime Video home screen
4. In the Search & More menu, select My Stuff
5. Select Reminders in the My Stuff menu
6. Search and select the show you want to set reminder for
7. Select Set Reminder, which should appear on the right of the show's title
8. A confirmation will appear on screen; select Done to finish setting reminder