Ant & Dec's Hilarious Undercover Prank on Cat Deeley! 😂 | Saturday Night Takeaway

Ant & Dec are in the driving seat once again as they cause mayhem in and AMAZING Undercover on their old pal Cat Deeley! Catch the spin-off show, Ant and Dec's Saturday Night Takeaway Extra Helping for exclusive and backstage footage!: http://entslink.itv.com/SNTehYTd Watch Full Episodes on ITV Hub: http://entslink.itv.com/3pJd2Sf Like, follow, subscribe and watch more Saturday Night Takeaway: http://bit.ly/1KHYq03 #SNT#AntandDecsSaturdayNightTakeaway Website: http://bit.ly/1Q9xJNW Facebook: http://on.fb.me/1Wgiyaq Twitter: http://bit.ly/1Qu442x Instagram: http://bit.ly/1XlxTYo Welcome to the official Ant & Dec's Saturday Night Takeaway YouTube channel. Get ready as Ant and Dec return to liven up your weekends. Expect a whole host of crazy pranks, mind-boggling challenges and fantastic competitions! http://www.itv.com http://www.stv.tv