The Kitty Katch Cat Litter Box, is a litter box assembly configured to make cleaning up cat excrement less unpleasant and difficult. Kitty Katch is comprised of dual stackable waste bins and one removable screen liner which fits within the base of one designated waste bin and is utilized to remove solid waste. The Kitty Katchs dual waste bins are configured expressly to be interlocking and fit flush within each other.