Children's entertainment series. Dave Chapman presents the ultimate undercover prank adventure, involving mess, mayhem and full-on anarchy in a family's own home! The kids think they are taking part in a programme called Mega Nanny - what they don't know is that Mega Nanny is their dad in disguise. Dressed in state-of-the-art movie make-up, a silly wig and women's clothes, Undercover Dad must spend two days undetected while completing a series of messy challenges, getting to know his kids better and winning them a pile of prizes. In west London, fun but very busy dad Rupert Flury undertakes the most challenging mission of his life. Will his kids Hebe, Poppy and Fraser warm to the odd and very mysterious Mega Nanny? Or will they bust Dad beneath his rubbery disguise? More importantly, will Dad agree to break his boring house rules to win the prizes? And will he finally see things from his kids' point of view? Be prepared for extreme fun, extreme emotions, extremely close shaves and extreme cream pie action.