Oops! You need to enable JavaScript in your browser to start watching. Guidance: With flashing lights. Disable parental controls Enable parental controls ITV Ant and Dec's Saturday Night Takeaway Series 17 - Episode 5 Cat Deeley is in the studio for one of the riskiest Undercovers ever as Ant and Dec wreak havoc on their former co-star, and the trio reunite for SM:TV Live sitcom Chums. Sat Saturday 20 Mar 7pm 90 mins Share this episode: Copied to clipboard Share on Facebook Share on Twitter Copy link to share