We Are Humanity
An episode from a show called Eerie, Indiana from the 90's.
The Retainer
When Steve gets a new retainer he starts to hear voices and eventually realizes he's hearing the thoughts of dogs. But it turns out that man's best friend isn't so friendly after all. Marshall hooks up a tape recorder to Steve's retainer and, along with Simon, they try to find out what the dogs are plotting.
https://www.imdb.com/title/tt0569409/
Chekt and great clip.
Circling back live
https://youtu.be/x7tNaOvxAGo