The Scottish Cup last-16 meeting between Ross County and Inverness Caledonian Thistle will be shown live on BBC One Scotland on a Monday evening.
The two Championship sides will meet in Dingwall on 11 February at 19:15 GMT.
The previous day, BBC Scotland will broadcast the fifth-round tie between either Stenhousemuir or Aberdeen and Queen of the South or Dundee at 15:30.
Those replays will be played on Tuesday, 29 January.
Kilmarnock's last-16 encounter with either Cowdenbeath or Rangers will be on Premier Sports on Saturday, 9 February (17:15), with the broadcaster also showing Celtic against St Johnstone the next day (13:30).
Junior side Auchinleck Talbot's tie with Hearts has also been moved to the Sunday at 15:00.
Scottish Cup fifth-round fixtures
Saturday, 9 February: (15:00 unless stated) Hibernian v Raith Rovers, St Mirren v Dundee United, East Fife v Partick Thistle, Kilmarnock v Cowdenbeath or Rangers (1715)
Sunday, 10 February: Celtic v St Johnstone (13:30), Hearts v Auchinleck Talbot (15:00), Stenhousemuir or Aberdeen and Queen of the South or Dundee (15:30).
Monday, 11 February: Ross County v Inverness Caledonian Thistle (19:15)