Abstract: A disposable telescopic cat litter box comprising a rectangular bottom portion having a bottom surface and an open top, a front wall, a rear wall, a right wall, and a left wall, an opening in the front wall of the bottom portion, a first set of adhesive tabs positioned along the right wall, a second set of adhesive tabs positioned along the left wall; and a top portion having an open bottom and a top surface, a front wall, a rear wall, a right wall, and a left wall, a perforated portion formed in the front wall, a first set of plastic strips positioned along the right wall adapted for engagement with the adhesive tabs of the right wall of the bottom portion, a second set of plastic strips positioned along the left wall adapted for engagement with the adhesive tabs of the left wall of the bottom portion, the top portion telescopically mated with the bottom portion with the perforated portion of the front wall of the top portion aligning with the opening of the front wall of the bottom portion.