There was controversy surrounding Manly's 22-18 win over the Eels at Brookvale back in Round 3, and if you think the Eels have forgotten about it, think again.
Matt Moylan was the hero for the Panthers yet again, with a 79th minute field goal the difference as Penrith defeated North Queensland 23-22 on Monday night.
Two top-five teams go at it in a clash that could have a huge impact over the final make-up of the top four.
Manly's big-game players produced the goods when they were needed to help the side edge out the Titans 15-12 and return to the competition lead.
Sione and Chanel Mata'utia combined for four tries to help the Knights dent the Warriors' finals hopes with a 28-22 victory at Hunter Stadium.
The Roosters have blown away an injury-ravaged Wests Tigers outfit in a seven-tries-to-one second half blitz at a very soggy Leichhardt Oval.
Melbourne have moved back onto the winners list in emphatic fashion with a 48-6 win over Cronulla in front of 12,185 fans at AAMI Park.
St George Illawarra have beaten Canberra 34-16 at Canberra Stadium, ending a 14-season drought in the nation's capital.
Canterbury have righted a very shaky 2014 campaign with a narrow and hard-fought 18-16 win over bitter rivals Parramatta.
These teams' fortunes have fluctuated wildly recently – now this clash could even determine who fills the final spot in this year's top eight.