According to Nielsen ratings, PBS Kids had four of the top 10 spots in children's programming among kids 2 to 5 years old for September, October and November. Curious George was ranked No. 1 in September and tied for the spot in November. And The Cat in the Hat Knows a Lot About That was No. 1 in October. Results are based on national ratings for PBS and select competitive cable networks (Cartoon Network, Disney Channel, the Hub, Nickelodeon, and Nick Jr.) and unique program names for shows telecast at least three times each month.