Loud, fast and funny, BB3B is a sharp and edgy animated sitcom about sibling rivalry. Six-year-old twins Lucy and Louis have a new baby brother, Billy Bob. As far as they are concerned their house has been taken over by some form of B-movie alien who has made slaves of their parents and yells a deafening war cry.

Everyday incidents in the Jenkins household are seen through the misconceptions of the twins, and in each episode we are drawn into the unfolding comedy drama that has become their life with the new baby - BB3B is the sprog from outer space.