National Dog Show 2019. Over 2,000 purebread dogs vie to be named Best in Show at the annual event; hosted by John O'Hurley and David Frei, backstage coverage from Tara Lipinski and Johnny Weir.

More than 500 purebred dogs vie to be named "Best in Show" at the annual event; hosted by John O'Hurley and David Frei, with additional insights from Mary Carillo.