The Google Home device allows for Google Assistant voice control of connected Chromecast devices and select TVs with Chromecast built-in.
To set up your devices, you'll need to take the following steps.
Link devices using the Google Home app.
Link Netflix to your Google account.
For voice controls to work with Netflix, you will need to link your account.
Launch the Google Home app.
Select the Menu icon .
Under Google Assistant, select More settings.
Select the Services tab.
Select Videos and Photos.
Locate Netflix and tap the Link icon to link your Google account to your Netflix app.
You can now control Netflix on your Google Home-connected devices using Google Assistant voice controls.
Use voice-activated commands to control Netflix.
Refer to common voice-activated commands by visiting the Google Help Center.