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 Grinch Grinches the Cat in the Hat on December 2, 2011 until December 9, 2013. The Grinch wakes up in a good mood one morning until his reflection in the mirror prompts him to repeat the "Grinch's Oath" and prove himself a Grinch. Meanwhile, the Cat in the Hat goes on a picnic. Their paths cross when the Grinch can't get his car around the Cat's, and things quickly escalate into a fierce car chase after the Cat unintentionally insults the Grinch by calling him "Mr. Greenface." The Cat returns to the safety of his house, but the Grinch follows him there and tampers with his voice