A twin brother and sister believe that their newly born baby brother is actually an alien who is preparing the way for an invasion from outer space.
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13 episodes
The twins have an idea to get rid of the sprogs once and for all, but things get more complicated than they planned.
Runtime: 25 minThe family goes to a health farm where the twins think monsters are hiding in the lagoon.
Runtime: 25 minLucy and Louis think they have found a way to warn people about alien sprogs - music!
Runtime: 25 minThe twins think that a new restaurant is going to turn everyone in the town into zombies.
Runtime: 25 minThe twins think that BB3B is controlling people through the smell from his nappy.
Runtime: 25 minChubba is replaced by a mysterious nanny who the twins suspect to be a robot.
Runtime: 25 minThe twins build a time machine to warn their parents of the alien plot.
Runtime: 20 minThe twins discover BB3B's plan to communicate with fellow sprogs in outer space.
Runtime: 20 minBB finds an interesting discovery in the backyard. Meanwhile, Nana is determined to deliver her love poem to Mr Weinberger.
Runtime: 25 minA tornado is heading for Sunnyfield and the twins think they know who can help.
Runtime: 20 minA visit from Uncle Rich leads the twins to uncover a sprog-plot to drain human brains.
Runtime: 20 minThe twins think they have found an alien hatching farm.
Runtime: 20 minA new theme park has opened in town called Space City.
Runtime: 20 min