It's a knockout

Click here to book now

It's A Knock-out London and Essex is now available at Mayhem!

Do you fancy something a little different for a Saturday afternoon? Want your Stag or Hen day to be unforgettable? A birthday day with a twist of foam-filled action? If yes to any of the above, then It's A Knock-out is a must for this year's calendar!

Teams of 8 - 12 contestants compete against each other in a hilarious mix of inflatables, water and foam to see who will be crowned the winner! Help your team slip, slide, bounce, crash, roll, waddle and laugh your way to victory!

Perfect for Stag and Hen do's, corporate events, and activity days. Our huge inflatables provide an unforgettable experience!

It's a bit like the Olympics, only with foam and inflatables. Genius! If you like the sound of that, come to London and compete for the champions title.

This is the original BBC It's a Knock-out, with the games, costumes and inflatables featured in the legendary TV series! Why settle for a cheap imitation when you can get the genuine article?


 Ride across our 'All hands on deck' in a relay race filled with foam and fun!

Ride on our ' All hands on deck ' in an awsome relay race , full of foam and fun !

Priced at £45 per person, with a minimum of 8 players required per team.

  • To secure a booking all we require is one player from your group to pay for their place.
  • You don't need to know your definite numbers to book - your booking will secure your team spaces.
  • You can change your numbers and pay the final balance up to 14 days before the event.
  • Free pick-up service from Theydon Bois central line station. 
  • Very close proximity North and East London.
  • 35 minutes from Liverpool Street station in central London.
  • You can get back for your night out in London to carry on your stag or hen do in less than 45 minutes!

Corporate and private events available, please contact us directly for more information.


Full-Length Video of Stag and Hen do's enjoying a day at Mayhem It's A Knockout

Click here to book now

Book now