The Cat in the Hat Knows a Lot About That! has 40 half-hour episodes. PBS Kids renewed it for a second season of 20 episodes which premiered on September 10, 2012. A 20 episode third season is currently in development. Each episode features The Cat in the Hat (voiced by Martin Short), who leads neighbours Nick and Sally, the Fish, and Thing One and Thing Two on a variety of adventures in his "Thinga-ma-jigger", a Seussian contraption that can sprout wings, pontoons, booster rockets, change size, and do just about anything else necessary to further the adventure. The adventures are prompted by a question posed by either Nick or Sally
The Grinch Grinches the Cat in the Hat having a soft spot in his heart for his mother, cries when he hears this, disassembles his machines, and continues his change of heart into the next morning. When his reflection tries to convert him back to his old self, Max drains out his voice with the Vacusound Sweeper. 1982 Primetime Emmy Award for Outstanding Animated Program. Both the Grinch and the Cat in the Hat were recast with different voice actors than the ones used in previous specials, all of whom had died. Bob Holt voiced the Grinch (Hans Conried, who voiced the Grinch in "Halloween Is Grinch Night",