Unlike CBS, ABC, or NBC. Fox and The WB ran their children's programing divisions a bit differently. Fox Kids and Kids' WB! operated as essentially mini-networks unto themselves. Unlike the Big 3 which only offered children's programing on Saturday Mornings, Fox and The WB offered Kids programing everyday except Sunday. Not only that, but by the early 2000s, they were also the only Networks who decided not to comply with the FCC E/I regulation that was forced upon the big 3. As such, Fox Kids and Kids' WB! were given much more freedom in what they aired compared to the kids brands of other networks. As I said, both were essentially networks in and of themselves. Of course this proved to loose it's appeal by the late 2000s, Fox sold it's Family division to Disney in 2001, gutted Fox Kids' weekday operations, and eventually, auctioned off the leftovers to 4kids. Kids' WB! downsized significantly in the late 2000s, lost Pokemon to Cartoon Network when it moved to The CW, and by it's final season, had been reduced to airing nothing but foreign acquisitions, until the leftovers were sold to 4kids. It's ironic that 4kids would take over both blocks as they declined.