Manchester United booked their place in the last 16 with a controversial injury-time win over Leicester City while Manchester City avoided embarrassment after going 1-0 down away to League One side Leyton Orient.
Still to play are Blackburn Rovers and Wolves, Plymouth Argyle and Liverpool, Aston Villa and Tottenham Hotspur, Doncaster Rovers and Crystal Palace, and Exeter City and Nottingham Forest.
Date, TV channel and ball numbers for last-16 ties We might still be in the thick of the FA Cup fourth round but 11 teams have already made it through to the last 16.
The draw for the fifth round of the FA Cup will be made live on the BBC One on Monday, February 10, during The One Show.
Ties in the fifth round of the FA Cup will take place around the weekend of Saturday, March 1.
