Abstract: There is disclosed a collapsible screen assembly for use in connection with enclosing and encircling an animal litter station formed by opposed sidewalls, a back wall and having an open front portion, and further including a removably engageable top wall, each of the opposed sidewalls being formed by a series of three sidewall panels, each being reversely hinge mounted to the next adjacent panel, the back wall being formed by a series of two back wall panels, each of the back wall panels being hingedly secured with one of the opposed sidewall panels thereby to accommodate only an interior hinge movement with respect to the back wall panel, and the top wall being formed by a series of three top wall panels wherein the first and third panels are reversely hinged mounted to the middle panel such that the opposed sidewalls may be reversely folded one panel with respect to the next with all panels being foldable against the two back wall panels which are in turn exteriorally hinge mounted together, and the top wal