Sunday's draw for the semi-finals of the Scottish Cup will be broadcast exclusively live on Sky Sports 3HD.
The draw will take place from 5.50pm following the last quarter-final fixture between Motherwell and Aberdeen at Fir Park.
Former Scotland, Rangers and Birmingham City assistant manager Andy Watson and Scottish Football Association president Campbell Ogilvie will conduct the draw.
Hearts and St Mirren will be in the hat for the draw after Marius Zaliukas' late own goal earned the visitors a 2-2 draw at Tynecastle on Saturday.
Hibernian are facing the only non-SPL side left in the competition Ayr United on Saturday afternoon, while Dundee United will entertain Celtic at Sunday lunchtime.
Celtic's latest step in their Treble bid at Tannadice will be shown live on Sky Sports 1HD, with the later game between Motherwell and Aberdeen live on Sky Sports 3HD.