Prices are accurate at the time of publication.When you buy through our links, Insider may earn an affiliate commission. Learn more.Chewy Black Friday deals include some of the best prices on flea and tick medicine for dogs and cats, dog crates, toys, cat food, and litter.Chewy; Rachel Mendelson/InsiderFor Chewy's Black Friday sale on November 26, the retailer has slashed prices across the site, offering big discounts on everything from cat and dog flea treatments to a variety of adorable holiday sweaters, pet beds, cat trees, and toys.