he Cat in the Hat Knows a Lot About That! is a children's animated television series currently airing on PBS Kids in the United States. Based on an earlier property, The Cat in the Hat's Learning Library, it focuses on the adventures of the children Sally and Nick, who go on adventures in learning with The Cat in the Hat and his pal,Fish, via a magical device called the Thinga-ma-jigger. Along the way, they are also assisted by The Cat's helpers, Thing One and Thing Two, which would usually say bad words. In Canada, the series is broadcast on Treehouse TV, which also serves as a production company for the program. The program holds a TV-MA rating for very bad language (L), suggestive dialogue (D), mild fantasy and science violence (V), and sexual content (S), and is presented in widescreen and high-definition, where available.