BB3B - Series 1 - Starship Poopers

Children's animation about the adventures of twins Lucy and Louis as they struggle to deal with baby brother BB3B, who they think is an alien controlling their parents' minds. The twins think that BB3B is controlling people through the smell from his nappy, and with their group of friends set about trying to save the world from this alien hazard. Nana has a new perfume that seems to have an unusual effect on the residents of Sunnyfield.