In one video, a news anchor with perfectly combed dark hair and a stubbly beard outlined what he saw as the United States¡¯ shameful lack of action against gun violence.

In another video, a female news anchor heralded China¡¯s role in geopolitical relations at an international summit meeting.

But something was off. Their voices were stilted and failed to sync with the movement of their mouths. Their faces had a pixilated, video-game quality and their hair appeared unnaturally plastered to the head. The captions were filled with grammatical mistakes.