Who is already through & when is the fourth-round draw?published at 13:30 BST 23 September
Remember, League Two Grimsby Town, Championship side Swansea and the Premier League's Brentford and Crystal Palace have already booked their place in the last 16.
Last week's results:
- Swansea 3-2 Nottm Forest
- Sheff Wed 0-1 Grimsby
- Brentford 1-1 Aston Villa - Brentford won 4-2 on pens
- Crystal Palace 1-1 Millwall - Crystal Palace won 4-2 on pens
The fourth-round draw is scheduled to be made at around 22:00 BST on Wednesday (24 September), or after the end of the main televised tie, should it go to penalties.
Those ties will be played in the week commencing Monday, 27 October.