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 build a time machine to go back to a time before they had a baby brother and warn their parents of the alien plot. Their parents find out about their plan from the babysitter and have fun playing along. Meanwhile Nana enters a Glamorous Granny Pageant and turns back time with the help of the local beauty salon.