Llanharan again kicked their heels as the other unbeaten club, Maesteg went to Beddau and won 29-6, while a late Whitland burst took them to a 50-10 win against Rumney on Cardiff University's ground and Narberth won well, by 35-14 at Blackwood.
Llangennech scored five unconverted tries in a 25-10 victory at Brynmawr, the students of UWIC beat Bonymaen 27-17 and Treorchy lock Jamie Summers
returned from a spell with Aberavon to score three tries in a 30-10 win over Tondu.
Tredegar moved to Abertillery Park, but two tries from skipper Stuart Jarman could not save them from a 39-18 beating from Carmarthen Athletic.
Fleur de Lys gained revenge for their Konica Minolta Cup defeat to Abercynon with a solid 26-13 victory in the East. And to make the win taste all the better, Fleur move above their opponents to third place in the table with Glen George, the player-coach and former Wales cap, scoring one of the three tries.
Builth Wells took full advantage of Merthyr's inactivity by winning 30-16 at Rhymney netting five tries; Llantrisant pulled away in the second half for a
resounding 48-17 success at Dinas Powys and Ystrad Rhondda beat Hirwaun 29-9 to move further away from the lower reaches.
In the West, bottom club Aberavon Quins again failed to appear and they have only completed 11 league games this season, at least five less than other clubs in this division.
Tonmawr held on to beat Newcastle Emlyn 19-18 to stay level second with Corus who won 22-8 at Cardigan. Vardre climbed some much-needed points with a 16-13 victory at Felinfoel but Birchgrove fell to their 14th defeat of the season after a home defeat by Cwmavon.
Cwmllynfell's promotion hopes took a knock after a 26-21 loss at Bridgend Athletic and Pencoed hung on to record a 17-14 win at Waunarlwydd.
Wales Head Coach Rob Howley talks to WRU TV's Sebastian Barrett about the 36-man squad he has just named for the forthcoming Under Armour series, which includes two uncapped players, Ospreys duo Sam Davies and Rory Thornton.
Head coach Rowland Phillips is deligthed he can now call BT Sport Cardiff Arms Park home for his Wales Women's side, who launch their international season next month with games against Scotland and UK Armed Forces in the heart of the capital city.
Wales Sevens star Sam Cross has put his home town club of Brynmawr on the map after winning a silver medal at the Rio Olympics with Team GB. His club have now honoured him by naming their players bar after him, as WRU TV discovered at the official launch, recently.
One of the newest members of the Principality Premiership, Bargoed admit it's proving to be a steep learning curve at the highest level, but are determined to become a force to be reckoned with. WRU TV visited the club last weekend when they took on Llanelli.
Table-topping Aberavon travel to north Wales to tackle RGC 1404 as both teams defend unbeaten starts to the season in the Principality Premiership. WRU TV's Graeme Gillespie visited the Wizards to see how their preparations were going for the game of the weekend.
The Half a Game initiative is currently sweeping across Wales and proving a major success. The scheme aims to give every young player at least half a game every weekend. WRU TV recently visited a festival in Narberth where clubs have fully embraced the initiative.
Both Bargoed and Swansea were seeking their first win of the Principality Premiership season this afternoon. It proved a fruitful day for the hosts - not only did they win, but Bargoed claimed a try bonus point.