There are TVs without microphones. For example, Sony TVs have a microphone in the touchpad remote but not in the TV itself or in the standard remote. If you don

There are TVs without microphones. For example, Sony TVs have a microphone in the touchpad remote but not in the TV itself or in the standard remote. If you don't want to be listened to, just remove the batteries from the touchpad remote (if it even comes with your TV - some only have the one standard remote.)