Benetton Treviso will never stop fighting
There's no question that it's been a difficult season for Benetton Treviso but they've never let their heads drop, and produced arguably the result of the round at the Stadio Monigo on Friday night.
While Connacht's record in Treviso was not great, they have looked a different team this season, but still that wasn't enough as Jayden Hayward's late penalty cost them victory, going down 22-21.
It was a huge result for Treviso, their first win since February, but it was enough to push them ahead of Italian rivals Zebre in the table and in the race for a Champions Cup spot.
With just one round of action to go, Treviso know one more win would guarantee them a place in Europe's elite next season, although a trip to Leinster will be another step up.
Judgement Day a huge success
It was a record-breaking day in Cardiff on Saturday as Judgement Day IV really captured the imagination of the Welsh public.
An incredible 68,262 fans came through the gates at Principality Stadium for the double header, with Cardiff Blues taking on the Ospreys before the Newport Gwent Dragons faced off against the Scarlets.
That pushed the season total for fans over a million in the Guinness PRO12 with one round of regular season action still to come.
And those who did head along on Saturday to be part of a record-breaking crowd for a Welsh domestic game, were not disappointed.
Blues fall to their bête noire once more
Cardiff Blues were one of the form teams in the league and looking like a real dark horse to sneak into the top six and the Champions Cup spots.
To do so they would need to put an end to a run of nine games without a win against the Ospreys and while they looked on course, leading with just eight minutes to go, two late Rhys Webb scores turned the tide.
It was a thrilling match, with eight tries in all, and given that they managed six of them, it's probably only fair that the Ospreys came away with the 40-27 win.
Hanno Dirksen also managed to cross twice, with Sam Underhill and James King getting the other tries for Steve Tandy's men, while Aled Summerhill and Josh Navidi's efforts were in vain.
That pushed the Blues downed to ninth, and ended their hopes of Champions Cup rugby next season, while the Ospreys could yet sneak in if results go their way next week.
Scarlets stay in top four race
The race for play-off spots is going down to the wire, and while Leinster know that a win at home to Treviso will guarantee them a semi-final - and barring a remarkable series of events, a home one - the last spot is still up for grabs.
With Ulster winning on Saturday, the Scarlets needed to match them in the second game of the Judgement Day double header.
They faced a Dragons side who have struggled in recent weeks, but the Scarlets had to wait until the 74th minute to finally kill off the game.
Scott Williams' return was a huge boost in midfield, and he scored a try after just eight minutes, with Steven Shingler, Steff Evans and Gareth Davies also crossing.
But the Dragons pushed them all the way, tries from Adam Warren and Adam Hughes keeping them in contention until late on in the 34-20 loss.
Ulster claim derby honours
There was plenty riding on Ulster's clash with Leinster, with Les Kiss' men knowing anything other than victory would take their play-off fate out of their hands.
They ensured that wasn't the case with a convincing 30-6 win, meaning that victory next week away to the Ospreys would put them on the brink of the play-offs.
The key moment came in the first half when Ruan Pienaar broke through, chipped over the top and was blocked by Rob Kearney.
The Ireland full-back was sin-binned, with Ulster claiming a penalty try, before kicking on with further scores from Jared Payne and Paddy Jackson at the death.
That put them a point clear of the Scarlets, but having won a game fewer, they need all five points to be certain of a place in the play-offs.
A four-point win would put them within touching distance, but if the Scarlets managed all five away to Munster that would push them ahead of Ulster.
Munster show their spirit in Champions Cup race
CJ Stander might have expected more from his team, but Munster took a big step towards Champions Cup rugby next season with their win over Edinburgh in Cork.
The Scottish side have traditionally struggled in Cork, but were right in this one until the very last.
Trailing 20-19 heading into the last five minutes, they had the chance to sneak a win that would have given them a real shot at the top six.
Instead it was Francis Saili who crossed for Munster, and as a result, they picked up a crucial five points leaving them just two points from Champions Cup rugby next season.
With Rassie Erasmus on the way, the future looks brighter for the Red Army.
Zebo finishes off stunning try
There were plenty of great tries this weekend, but Simon Zebo's effort against Edinburgh is among the very best.
A great break out of his own 22 from Andrew Conway had Munster away down the right. He then kicked the ball through and a kind bounce set up Zebo for a fabulous length-of-the-field effort.
That's now four in his last four games for the Ireland winger, and while he will struggle to overhaul Matt Healy at the head of the try-scoring charts next weekend, it was more proof of how potent an attacking option he is.
Ten of the best for Weir
Glasgow Warriors booked their place in the Guinness PRO12 play-offs in the most emphatic fashion against Zebre with a thumping 70-10 win.
While Leone Nakarawa might have stolen the headlines with his hat-trick of tries, it was another departing Warrior Duncan Weir breaking a club record.
The Glasgow fly-half - who will switch to Edinburgh next season - knocked over ten conversions, one more than Tommy Hayes' previous mark.
The last of those came as he converted his own try in what could be his last game at Scotstoun in Glasgow colours.
With 25 points in all, it was a pretty handy return for Weir.
Warriors on the charge
With their biggest-ever victory in the Guinness PRO12, Glasgow moved to the top of the table, and will look to secure a home semi-final next week away to Connacht.
It certainly won't be easy, but with nine straight wins now to their names, Glasgow are looking ominously strong.
Their strength in depth is a huge asset, and if they can sneak a win in Galway in a week's time, then they will be back to Scotland for both semi and a potential final in Edinburgh.
Everything to play for on final weekend
Plenty of things could have been decided this weekend, but as it stands there is still something to play for in virtually every match next week.
Lots of eyes will be on Connacht v Glasgow, a potential play-off dress rehearsal, while Champions Cup spots are on the line elsewhere.
If this weekend was anything to go by, we should be in for a thriller.
To buy tickets for the Guinness PRO12 Grand Final click here. Also follow us on Facebook, join the conversation on Twitter, sign up to our YouTube channel for extensive match highlights and sign up for our newsletter for regular updates on the Guinness PRO12.