Dog: Impossible

Snuggly pup Moneypenny has some severe bullying issues; a beautiful Australian shepherd named Whiskey strikes fear in his owners' home; Pax brings no peace to his owners, who have had to cut themselves off from the outside world.

Matt helps a previously feral blue heeler with violent reactions to strangers and a neighborhood street dog with an extreme reactivity to collars.

Kai and Goober were once bonded brothers, but now need Matt's help to break up their life-endangering aggression; Chinese crested Frankie's co-dependent household turns him from a beautiful lover into a ferocious bully.

Newlyweds face a heartbreaking decision when their rescue dog tests the strength of their marriage; Matt helps a reformed killer dog come to grips with its fear-based aggression.