The Cat in the Hat (TV special) stopped working on Seuss projects also. DePatie and Freleng were credited together as executive producers, while Jones was credited as producer with Seuss (under his actual name). For the next three Dr. Seuss animation specials, Freleng and Seuss (again using his real name) were credited as producers, although separately. DePatie–Freleng animated a new Cat in the Hat Productions logo for this special, which would be used in the next three specials. The pace and rhyming sequences of several of the songs (particularly "Calculatus Eliminatus") led many to believe that they were composed by Sherman, since they closely resemble his earlier
The Cat in the Hat from which he releases two identical creatures with blue hair and red suits called Thing One and Thing Two. The Things cause more trouble, such as flying kites in the house, knocking pictures off the wall and picking up the children's mother's new polka-dotted gown. All this comes to an end when the fish spots the children's mother out the window. In response, Sally's brother catches the Things in a net, and the Cat, apparently ashamed, stores them back in the big red box. He takes it out the front door as the fish and the children survey the mess