I was somewhat surprised a few months ago when I heard that Wild Brain, in San Francisco is shutting down. Everyone was either laid off or quit. Even the partners that owned the studio went elsewhere! There is only a skeleton crew left.
How did this happen? Well, I cannot say for sure. But the rumor going around is that when the previous CEO left, they brought in a woman to run the company. She was a TV producer down in LA and her big bright idea was to shutter the SF office. Supposedly she put the kibosh on any incoming projects, just to guarantee there was no work to support the studio.
Nothing like what it was in SF, but WB still exists in LA. I've heard they are doing some really crappy work. They've still got Yo Gabba Gabba and a few other projects, but I'm pretty sure there isn't much else.