Here's how Ant and Dec are celebrating 100 episodes of Saturday Night Takeaway

But this week's show looks to be even more spectacular as Ant and Dec celebrate the 100th episode of Saturday Night Takeaway and they return with a brand new mini-series Saturday Knight Takeaway.

Here's everything you need to know about this week's show:

What is Saturday Knight Takeaway and who's in it?

Following on from Who Shot Simon Cowell? and The Missing Crown Jewels, the next mini-series is called Saturday Knight Takeaway and starts this week.

Ant and Dec's Saturday Night Takeaway (ITV)

In an interview with RadioTimes.com, executive producer Pete Ogden explained: "This year, members of The Honoured start going missing and Ant and Dec have to find out why and who is taking them."

Here's a preview clip:

He also revealed that there are “not quite 30 but certainly a number” of celebrities starring in the skit including Joanna Lumley, Emilia Fox, David Walliams, Alan Shearer, Judy Murray and Gareth Malone.

What's happening for the 100th episode of Saturday Night Takeaway?

"We’re going to have a big celebration, looking back over the years with lots of surprises," Pete told us. He has also promised a few “big surprises” for some of the show’s most dedicated fans.

"We’re going to have a very special version of Win the Ads and the Ant vs Dec is going to really challenge Ant and Dec’s knowledge of the past 100 shows," he adds of the special celebration. "They’re going to be under pressure to remember what they’ve done."