THE PORTER FAMILY HAS A ROYAL PAIN � THEIR NINE-YEAR-OLD DAUGHTER RULES WITH A REIGN OF TERROR � ON ABC'S "SUPERNANNY"

"Porter Family" -- Jo returns to the UK to rescue the Porter family, who are being held ransom by their nine-year-old daughter. Princess Maddison is a terror, ruling with a heavy hand and throwing tantrums like a toddler to get her way. To make matters worse, seven-year-old Harry is quickly following in his sister's unruly footsteps. With both parents treading on eggshells, can Supernanny restore order -- or is this one battle of the wills that can't be won? "Supernanny" airs FRIDAY, APRIL 10 (9:00-10:00 p.m., ET) on the ABC Television Network.

Nick Powell is the creator and executive producer of both the American and British versions of the show. Nick Emmerson and Stephanie Schwam are executive producers of the American version. "Supernanny" is produced by Ricochet, Ltd.

"Supernanny" is broadcast with Spanish subtitles via secondary closed captioning. A TV parental guideline will be posted closer to airdate.