Last season it took a late, late JJ Hanrahan try for Munster to take away a draw from the Scarlets and it's unlikely they'll be separated by many points this time around.
With the Rugby World Cup over for the northern hemisphere nations many stars will be joining back up with their clubs for the race towards GUINNESS PRO12 Final - to buy your tickets click here.
The Final will be held at BT Murrayfield, the home of Edinburgh - who have certainly thrown their hat into the ring this season as the only other unbeaten side in the competition.
Having already ticked off a win in Italy this season over Benetton Treviso, Edinburgh will return to the country for Saturday's clash with Zebre.
And another team who seem intent on upsetting the applecart is a free-scoring Connacht side.
Pat Lam's men have racked up an incredible 17 tries across their four GUINNESS PRO12 games so far, and they are only one point behind leaders Munster - despite losing to Glasgow Warriors - thanks to the amount of bonus points they've accrued.
Connacht's next challenge is at the Ospreys and Steve Tandy's men will be desperate to string together back-to-back victories after getting off the mark at Treviso last weekend.
Many of the GUINNESS PRO12's traditional powerhouses have been shorn of their best players during the World Cup and defending champions and Leinster and Glasgow Warriors are no exception.
Both teams have won two of their first four games but one is likely to build a gap over the other when they clash at the RDS live on Sky Sports this Friday.
Elsewhere, Cardiff Blues will complete their tour of Ireland - having played Leinster, Connnacht and Munster on the spin - at Ulster.
Neil Doak's Ulster are another team who, having reached the GUINNESS PRO12 semi-finals last year, will be keen to break back into the top four sooner rather than later.
Elsewhere, Treviso will be gunning for their first win of the season on Friday night at Newport Gwent Dragons - but Lyn Jones' men held Treviso's Italian counterparts Zebre to nil when they met in Round Two at Rodney Parade.
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.
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