Best in Show

No. The Mayflower Kennel Club Dog Show is fictional, though the film clearly riffs on major dog shows like Westminster. Christopher Guest staged the dog show for the 2000 movie after real shows would not allow the production to film there.

Much of the dialogue was improvised from character outlines by Christopher Guest and Eugene Levy. The ensemble included Catherine O'Hara, Parker Posey, Jane Lynch, Jennifer Coolidge, Michael McKean, and Fred Willard.

Common favorites include Winky the Norwich terrier with Gerry and Cookie Fleck, Beatrice the Weimaraner with the Swans, and Hubert the bloodhound with Harlan Pepper. The film follows five competing dogs on the way to the fictional Philadelphia show.

Yes. It is part of Christopher Guest's loose cycle of improvised ensemble comedies, after Waiting for Guffman in 1996 and before A Mighty Wind in 2003. Several performers, including Eugene Levy, Catherine O'Hara, and Michael McKean, recur across those films.