Here are the ways you can watch the unique showdown between Floyd Mayweather and Conor McGregor - and we recommend you book early.
The unbeaten boxing great and the UFC superstar will get in the ring no earlier than 4am, Sunday, live on Sky Sports Box Office.
Whether you're a Sky customer or not, you can watch live by streaming on PC/Desktop/Mac, on the Sky Sports Box Office App for mobile or tablet devices, or on your NOW TV box. You can also watch it at a Sky Sports venue.
Press box office, select sports and events. Use the arrow buttons to highlight the event. Press select and the buy screen will be displayed. Press select to confirm your order. Enter your pin if prompted.
You can only record the event by using this method.
Or press the green button to book whenever you see a Mayweather vs McGregor advertisement on screen.
All booking information
Click here for all pricing, timing and ways to book the cross-code cracker, live on Sky Sports Box Office.
Select 'Sport' on your menu and then select 'Box Office' within the sport menu at the bottom of 5/6 options.
To book, go to my.sky.com/orderboxoffice/
There is no surcharge for online bookings.
PC/Desktop/Mac, NOW TV box, iPhone, iPad, Android phone or Android tablet
You can book and stream the fight whether you're a Sky customer or not - it's your choice to watch via our dedicated website, via the Sky Sports Box Office app on your mobile or tablet devices, or via your NOW TV box.
First, visit skysports.com/boxofficelive to book and pay. Then on fight night itself, you can either sign in to watch on the same website; download the SSBO App and log in to watch there; or access the stream on your NOW TV box.
Speak to your local Sky Sports venue to find out about watching the event there. Go to pubfinder.sky.com for more information.
Please contact your operator.