Ystradgynlais No 8 David Love indulged in a bit of student bashing as he scored five of their eight tries in a 50-24 win at Swansea University.
The day's big winners were Llandudno, who humbled a depleted Burry Port 95-5.
Llandudno's 15 tries included seven from there centre pairing of Lloyd Owen, who ran in four tries, and David Davies who scored a hat-trick.
It was a family affair for Cardigan, as brothers Guto and Iestyn Crompton were both on the scoresheet as the home side beat Pwllheli 22-21.
Guto crossed twice whilst Iestyn, as well as converting both tries, kicked the winning penalty five minutes from the end.
Penygroes saw the try count rule work in their favour as they advanced after drawing 14-14 with Aberavon Green Stars.
Billy Lewis and Darren Price crossed in either half for Penygroes, meaning they won the game 2-1 on tries despite a Green Stars comeback.
Birchgrove of squeezed through to the third round after a narrowly beating Amman United 25-21.
Lee Mainwaring scored 20 of the home sides 25 points, in the form of 2 tries, 2 penalties and 2 conversions.
Hendy won a Llanelli derby at Furnace 19-15. Emyr Harris went over for their only try which was converted by Lee Evans, who also kicked four penalties.
Tredegar are the team on everyone's lips so far in the Swalec Cup after racking up 146 points and 22 tries in the opening two rounds.
Their 56-10 victory against Cwmgwrach came after their club record 90-0 win against Pontllanfraith in the first round. Greg Jones grabbed a 21 point haul from a try and eight conversions while Jamie Henthorn and Chris James each claimed two tries a piece.
Division Five South-East outfit Cowbridge pulled of the shock of the second round, defeating Mumbles 16-10. Despite the three division gap between the clubs, two second half penalties from Ed Lakin sealed an unlikely victory after the sides had gone into the break at 10-10.
Talywain stunned a Nantymoel side placed two divisions above them in a 27-5 triumph with Gareth Needs scoring two of his side's four tries at Emlyn Park. In other second round upsets, Division Four Monmouth overcame Seven Sisters of Division Three 34-17, and Aberavon Quins beat Abergavenny 5-3 thanks to an early try from left-wing Adam Dawe.
Bedlinog were the big scorers of the second round after they scored 11 tries in a 71-0 mauling of Llanidloes. Thomas Cox and Lee Harrison each grabbed a hat-trick of tries for The Foxes.
Angus O'Brien has quickly settled into the Wales Sevens squad after solid performances in Hong Kong and Japan. With two rounds remaining in Glasgow and Twickenham on the World Series, WRU TV's Graeme Gillespie chats to the rising star.
Wales winger Luke Morgan has established himself as one of the deadliest finishers on the Sevens World Series. WRU TV's Graeme Gillespie catches up with him on the eve of this weekend's round in Glasgow.
All roads lead to Cardiff on Sunday for the SSE SWALEC Finals Day at the Millennium Stadium. Cambrian Welfare tackle Ystradgynlais in the Bowl final, Ystrad Rhondda play Newcastle Emlyn in the Plate final while defending champions Pontypridd face Bridgend in the Cup final.
WRU Chief Executive Roger Lewis, Deputy Minister for Culture, Sport and Tourism Ken Skates and WRU Chairman Gareth Davies earlier this week launched a new competition in conjunction with the WRU unveiling its archive room.
Welsh players and management joined Deputy Minister for Sport Ken Skates at the Pierhead Building, Cardiff Bay earlier this week to reveal the Union's pioneering school-club hub initiative has been so successful the project will now almost double the scale of the original project.
The Scarlets, Newport Gwent Dragons, Cardiff Blues and the Ospreys look ahead to Judgement Day III which sees the Blues take on the Ospreys (2.30) and the Dragons tackle the Scarlets (4.45pm) at the Millennium Stadium tomorrow afternoon.
Ystradgynlais and Ynysddu played out a titanic struggle at Taffs Well in the SSE SWALEC Bowl semi-final. At the end of the game neither team could be separated after a 15-15 stalemate but Ystradgynlais go through on try count.
Blues strike first in JD III battle - Newport Gwent Dragons lock Andrew Coombs, WRU referee Dylan Llyr Jones and Cardiff Blues hooker Matthew Rees decide dressing room allocations for Judgement Day III
Wales Under 18 captain Calum Haggett has received a conditional offer to read Biomedical Science at St Anne's College, Oxford. WRU chairman Gareth Davies went to meet Calum and Coleg y Cymoedd Principal Judith Evans to wish him luck in his exams and pass on some of his personal experience.