Thursday 8 March 2018 23:01, UK
Sky Sports News has been behind the scenes at Old Trafford ahead of their Rivalry Weekend clash with Liverpool on Saturday.
The game, which you can see live on Sky Sports Premier League from 11:30am on Saturday, is always a guaranteed sell-out, but just what goes on away from the cameras to make sure a huge Premier League game like this goes ahead without any issues.
Sky Sports News visited some of the little-seen parts of Manchester United's historic home, where work has been going on all week to make sure the Saturday lunchtime event is run as smoothly as possible.
James Cooper met up with the Old Trafford chef and catering staff who will have to serve more than 74,000 supporters, as well as a look at the club shop and United's hospitality department.
Click on the video at the top of the page for an insider's guide to making sure Old Trafford is fully-prepared to host a capacity crowd of home and away fans.
