This show is about a 4-year old who likes to go on adventures. Now, you may find this educational, but it's not. Caillou throws tantrums too much, can't do things that seem really simple, and always cries for his mom. An episode will show him learning a lesson at the end, but in the next episode he either throws a tantrum like usual, or whine. Whenever he whines/throws a tantrum, he sounds like a dying chipmunk, and it can get very annoying quickly.
The artwork is bland (it looks like it's not even humor is corny, storyline is stupid, and the episodes are BOOOOOORING!
My grade: F-