Leinster bounced back from their European defeats to beat Ulster 8-3 and cement their place in the PRO12 play-offs.
The five Champions Cup pool games postponed following the Paris terror attacks will take place in January.
Ireland hooker Rory Best has signed a new contract which keeps him at Ulster for the next two years.
Saracens took control of Pool 1 of the European Rugby Champions Cup with an impressive 27-9 win at Ulster on Friday night.
A look back at Saracens' superb bonus-point win over Ulster in the Champions Cup.
Brad Barritt will captain Saracens in his 150th appearance for the club when they take on Ulster on Friday.
All of this weekend's Champions Cup and Challenge Cup games in France have been postponed due to the tragic events in Paris on Friday night.
Losing bonus points on the road could prove crucial as Saracens, Ulster and Toulouse battle it out in Pool 1.
Paul Marshall scored the only try as Ulster recorded their first away win since April with a 19-12 win over the Dragons.
Munster edged a nine-try epic against provincial rivals Ulster as they withstood late pressure to claim a 32-28 win.
Watch the video above then vote for your PRO12 Try of the Month for a chance to win two tickets to a PRO12 Club of your choice for the 2016/17 season.
Watch all the highlights of this weekend's Guinness PRO12 action.
There are two derbies in the Guinness PRO12 on Friday evening as Munster host Ulster and the Dragons travel to Scarlets.
Tommy Bowe will miss the Six Nations and may not play again this season after having surgery on his damaged knee ligaments.
Ulster secured a bonus-point 24-17 victory over the Cardiff Blues in Friday night's PRO12 encounter in Belfast.
Edinburgh made it four wins from four games in the Pro12 this season with a hard-fought 16-10 success at home to Ulster.
Ireland winger Craig Gilroy has signed a new two-year deal with Ulster.
Stuart McCloskey's effort against Ospreys was voted by the fans as the Guinness PRO12 try of the month for September.
Scarlets did not let three yellow cards stop them from recording a 22-12 victory over Ulster in the Guinness PRO12.
The Scarlets and Ulster will both look to build on impressive starts to the season when they clash on Saturday.