|FA Cup fourth round|
|Dates: 22-25 January Coverage: Manchester United v Liverpool (17:00 GMT) live on BBC One on Sunday 24 January; plus five more games across the BBC.|
Two giant clubs, 19 FA Cup wins between them, one place to be on Sunday.
Manchester United face Premier League champions Liverpool for the second weekend running. This time it's in the FA Cup fourth round - and it's live on BBC One and BBC iPlayer.
But with two matches available to watch across the BBC, have you planned out your own fixture list for the front room?
Who's still in, where will the shocks be and how can you watch?
- Watch all of the latest FA Cup highlights and reaction here
- Football Daily podcast: What's behind Liverpool's slump?
The big one
The tie of the round is live on BBC One and iPlayer on Sunday (17:00 GMT kick-off), with Jurgen Klopp's Liverpool side looking for a return to winning ways at Old Trafford.
Apart from the 4-1 victory over a youthful Aston Villa side in the third round, the Reds are yet to win in 2021 and have not lifted the FA Cup since 2006.
Ole Gunnar Solskjaer lifted the trophy twice as a Manchester United player and will be hoping to move a step closer to his first honour as their manager.
Join Gary Lineker and the rest of the team from 16:30 on Sunday.
Where could the shocks be?
There was no shortage of drama in the third round earlier this month, with Chorley leading the way as they stunned Championship side Derby County, who were forced to field a youthful side after a Covid-19 outbreak.
But, after their fourth-round exit to Wolves on Friday, and a scarcity of upsets on Saturday, Luton Town and Wycombe Wanderers will hope to pull of a shock result this weekend.
Championship Wycombe will be licking their lips at the prospect of Monday's visit of Tottenham Hotspur (19:45
Other potential shocks to keep an eye on include Luton at under-pressure Frank Lampard's Chelsea (12:00 on Sunday).
More penalty drama?
There are no replays in this season's FA Cup, leaving the prospect of penalty shootout drama to look forward to.
Three ties went all the way in the third round, with three others being settled in extra time.
There will still be no fans present at any of the fixtures because of a 'stay at home' order for millions in the UK.
All players are required to be tested for coronavirus 72 hours before their match. Testing for non-Premier League clubs is being funded by the Football Association.
Each team can name nine substitutes and five can be used at three separate times during the game, while the winners of each tie will receive £90,000 in prize money.
- You can stream five fourth-round games live on the BBC this weekend, including Liverpool's trip to Manchester United. Find out more here.
When's the draw?
The fifth-round draw was made at the same time as the fourth round. Here are the details.
Full list of FA Cup fourth-round televised matches - all times GMT
Sunday, 24 January
Chelsea v Luton Town (12:00) - Live on BBC One and iPlayer
Brentford v Leicester City (14:30) - Live on BT Sport 1
Manchester United v Liverpool (17:00) - Live on BBC One and iPlayer
Everton v Sheffield Wednesday (20:00) - Live on BT Sport 1
Monday, 25 January
Wycombe Wanderers v Tottenham Hotspur (19:45) - Live on BT Sport 1
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- Who's on top?: Football Daily has all the latest on the Premier League title race