Celtic v Raith Rovers is almost upon us.
You can follow that 17:30 kick-off here.
Tomorrow, we have Aberdeen v Dunfermline Athletic (12:30) and Rangers v Queen's Park (15:00).
St Mirren and Hearts have to wait until Monday night.
Dundee, St Johnstone and Livingston join Hibs in the last eight, which means we are halfway through the ties.
Scottish League 2
Bonnyrigg Rose 3-4 Peterhead
Clyde 2-0 Stranraer
Forfar Athletic 0-1 Edinburgh City
Spartans 0-1 East Fife
Stirling Albion 3-1 Elgin City
Scottish League 1
Annan Athletic 2-1 Dumbarton
Arbroath 3-0 Inverness CT
Montrose 2-2 Alloa Athletic
Stenhousemuir 2-1 Queen of the South
Adama Sidibeh's rather fortunate goal proves decisive and puts St Johnstone into the hat for the Scottish Cup quarter-finals.
Not a game many will be watching back, but Simo Valakari and the Saints fans will take it.
That's four wins on the spin for the Perth side.
Image source, SNSDundee seal progression after blowing away their Championship opponents in the first-half.
Really, it was made far too easy for them thanks to some calamitous Airdrie defending that gifted them numerous chances and four simple goals.
Lyall Cameron got two, Clark Robertson nodded in one, and Oluwaseun Adewumi got another before a more even second half.
Image source, SNSThe Bairns are back at the top of the Championship, with the returning Scott Arfield hitting a hat-trick.
The visitors had led 2-1 but lost Brian Graham to a second booking before half-time.
Image source, SNSA double from substitute Tete Yengi adds to Ryan McGowan's opener to see Livingston comfortably through to the quarter-finals.
Cove put up a good fight but were made to pay for spurning big opportunities to equalise at 1-0.
The treble is still on for the Lions... Well, a treble.
Image source, SNS
Adama Sidibeh
A late, late goal for St Johnstone just as extra-time looked inevitable.
Graham Carey lets fly from distance and it flicks off Adama Sidibeh's head, leaving Hamilton keeper Dean Lyness stranded.
Simo Valakari's side are heading for the last eight.
WATCH: Sidibeh breaks the deadlock
Dundee 4-0 Airdrieonians
Jane Lewis
BBC Sport Scotland at Dens Park
Airdrie have shown a bit more in this second half. They have tested Jon McCracken and really should have scored, but the home side don't seem overly rattled with their very healthy lead.
Image source, SNSTete Yengi
He's done it again!
Tete Yengi smashes the ball into the bottom corner with his left foot after another Livingston counter-attack.
Game over.
WATCH: Yengi scores his second
Tete Yengi
Seconds after that glorious opportunity for Cove, Livingston kill the game.
Substitute Tete Yengi's left-footed effort from the centre of the box finds the bottom right corner!
WATCH: Yengi doubles Livingston's lead
Livingston 1-0 Cove Rangers
William Gillingham has to score for Cove!
He heads wide from 10 yards out. Massive chance.
St Johnstone 0-0 Hamilton Academical
Makenzie Kirk could have had a hat-trick in this game.
The striker ghosts into space in the Accies box again, but his glancing header goes just wide of the far post.
WATCH: Kirk glances wide for St Johnstone
Leon McCann
St Johnstone 0-0 Hamilton Academical
What a block to deny St Johnstone.
Stephen Duke-McKenna has been lively down the right wing since coming off the bench, and he fires a cross into a dangerous area that falls to Makenzie Kirk's feet.
He looks sure to find the back of the net, but Reghan Tumilty bravely throws himself at the shot and averts the danger.
St Johnstone 0-0 Hamilton Academical
A huge chance for Hamilton to hit the front.
Oli Shaw, on as a substitute, springs the offside trap and goes through one-on-one with Saints keeper Andy Fisher, but can't find the corner, with the keeper pushing his shot away.
Dundee 4-0 Airdrieonians
The visitors win a free-kick right on the edge of the box - which looked like it might have been inside the box. Adam Frizzell curls the set-piece against the crossbar.
Adam Frizzell then misses a sitter in front of goal, shooting tamely at Jon McCracken after a fresh-air kick from one of his team-mates.
Dundee then fly up the other end and Simon Murray pulls the ball out the sky with a deft touch and chips a volley onto the bar.
Livingston 1-0 Cove Rangers
That should be 2-0.
Jamie Brandon's header from Robbie Muirhead's corner looks as though it's nestling in the bottom left corner but Nicholas Suman produces a full-stretch save to deny the Livingston captain.
What a stop!
St Johnstone 0-0 Hamilton Academical
There's really not much happening at McDiarmid Park.
Elliot Watt's free-kick from the right is easily cleared by the Hamilton defence.
Highlights: Livingston 3-0 Cove Rangers
Ryan McGowan and Tete Yengi scored the goals as Championship Livingston eased past third-tier Cove Rangers to secure a Scottish Cup quarter-final spot.
McGowan was in the right place in the six-yard box to turn in Reece McAlear's free-kick - his first of the season.
Another Adelaide-born player added the other two, as subsitute Yengi twice found the same bottom right corner to take his tally for the season to six.
Paul Hartley's Cove were trying to make history by reaching the last eight of the competition for the first time.
The visitors will look back on good saves by Jerome Prior from Findlay Marshall for spoiling that dream, and a header by Will Gillingham which drifted narrowly wide.
Cove's 11-goal striker Mitch Megginson also hit the outside of a post with a quickly taken effort from 20 yards.
There was no shortage of Scottish Cup-winning experience across the two sides.
Livi striker Stevie May lifted the trophy twice with St Johnstone and the centre-back pairing of McGowan and Danny Wilson were successful with Hearts and Rangers respectively.
As for Cove, manager Hartley was a Scottish Cup winner with Hearts and Celtic as a player, while captain Fraser Fyvie tasted glory with Hibernian, three years after lifting the FA Cup with Wigan Athletic.
Fyvie had one of the League 1 side's other good chances, shooting straight at Prior following a neatly worked corner kick routine.
The Frenchman's opposite number Nick Suman did a great job of keeping Cove in the tie when he dived high to his right to repel Dan Finlayson's bullet header.
But Suman could do nothing about Yengi's deadly strikes, one teed up by Danny Wilson's header and the other set up by Lewis Smith.
Livingston manager David Martindale: "Three goals and a clean sheet - I think that's a wee bit harsh on Cove who had a couple of chances themselves.
"I think we deserve to be in the next round but 3-0 maybe flatters us.
"We've had a difficult eight days but I thought the lads showed great energy levels and intensity. I've given the boys Monday off; they they deserve it."
Cove Rangers manager Paul Hartley: "We had some excellent chances but just weren't clinical enough at the top end of the pitch.
"Overall, I'm pleased with the players, we had a go and we really went for it. I'm disappointed to be out the cup but not disappointed by how we played.
"We have to move onto the league now as we've got 14 games to try and do something."
Manager: David Martindale
Formation: 4 - 3 - 3
Manager: Paul Hartley
Formation: 4 - 3 - 1 - 2
Manager: David Martindale
Formation: 4 - 3 - 3
Manager: Paul Hartley
Formation: 4 - 3 - 1 - 2
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