In The Night Garden is designed specifically to get kids to chill the fuck out and it works so well. I remember having to babysit my nephew once and he was getting worked up by a show called Yo Gabba Gabba which seems to be specifically designed to cause seizures. The next day, oh, that's weird, that channel is broken and, well, damn, I guess we'll have to watch In The Night Garden on CBBC instead. It was like a totally different kid.