European action returns this Thursday for the commencement of two weeks of mouth-watering Pool fixtures.
Rounds 3 and 4 throws up double-header clashes in both tournaments with the officials assigned their forthcoming responsibilities.
The powers that be have appointed Alan Lewis in the middle when Stade Français meet Harlequins at a bulging Stade de France on December 6, while Wayne Barnes will referee Clermont Auvernge's hosting of champions Munster.
Heineken Cup - Round 3
Pool 1
Sale Sharks vs Montauban
Referee: Peter Fitzgibbon (Ireland)
Clermont Auvergne vs Munster
Referee: Wayne Barnes (England)
Pool 2
Edinburgh vs London Wasps
Referee: Christophe Berdos (France)
Leinster vs Castres
Referee: Peter Allan (Scotland)
Pool 3
Ospreys vs Benetton Treviso
Referee: Jérôme Garces (France)
Leicester Tigers vs Perpignan
Referee: Nigel Owens (Wales)
Pool 4
Ulster vs Scarlets
Referee: Andrew Small (England)
Stade Français vs Harlequins
Referee: Alan Lewis (Ireland)
Pool 5
Toulouse vs Dragons
Referee: Dave Pearson (England)
Bath vs Glasgow Warriors
Referee: Alain Rolland (Ireland)
Pool 6
Cardiff Blues vs Biarritz Olympique
Referee: George Clancy (Ireland)
Calvisano vs Gloucester
Referee: James Jones (Wales)
Round 4
Pool 1
Munster vs Clermont Auvergne
Referee: Chris White (England)
Montauban vs Sale Sharks
Referee: Peter Allan (Scotland)
Pool 2
Castres vs Leinster
Referee: Dave Pearson (England)
London Wasps vs Edinburgh
Referee: George Clancy (Ireland)
Pool 3
Treviso vs Ospreys
Referee: Rob Debney (England)
Perpignan vs Leicester Tigers
Referee: Alan Lewis (Ireland)
Pool 4
Scarlets vs Ulster
Referee: Romain Poite (France)
Harlequins vs Stade Français
Referee: Nigel Owens (Wales)
Pool 5
Dragons vs Toulouse
Referee: Alain Rolland (Ireland)
Glasgow Warriors vs Bath
Referee: Christophe Berdos (France)
Pool 6
Biarritz vs Cardiff Blues
Referee: Peter Fitzgibbon (Ireland)
Gloucester vs Calvisano
Referee: Tim Hayes (Wales)
European Challenge Cup - Round 3
Pool 1
Dax vs London Irish
Referee: Alan Falzone (Italy)
Rovigo vs Connacht
Referee: JP Doyle (England)
Pool 2
Montpellier vs Toulon
Referee: Rob Debney (England)
Northampton Saints vs Bristol
Referee: Romain Poite (France)
Pool 3
Bourgoin vs Worcester Warriors
Referee: Colin Stanley (Ireland)
Bucuresti Oaks vs Petrarca
Referee: Patrick Pechambert (France)
Pool 4
Brive vs Cetransa El Salvador
Referee: Claudio Passacantando (Italy)
Overmach Parma vs Newcastle Falcons
Referee: Stefan Pomarède (France)
Pool 5
Bayonne vs Saracens
Referee: Andrew McPherson (Scotland)
Mont-de-Marsan vs Viadana
Referee: Gwyn Morris (Wales)
Round 4
Pool 1
London Irish vs Dax
Referee: James Jones (Wales)
Connacht vs Rovigo
Referee: David Rosich (France)
Pool 2
Toulon vs Montpellier
Referee: Andrew Small (England)
Bristol vs Northampton Saints
Referee: Carlo Damasco (Italy)
Pool 3
Petrarca vs Bucuresti Oaks
Referee: John Lacey (Ireland)
Worcester Warriors vs Bourgoin
Referee: Andy McPherson (Scotland)
Pool 4
Newcastle Falcons vs Overmach Parma
Referee: Pascal Gauzere (France)
Cetransa El Salvador vs Brive
Referee: Paolo Ventura (Italy)
Pool 5
Viadana vs Mont-de-Marsan
Referee: Greg Garner (England)
Saracens vs Bayonne
Referee: Neil Paterson (Scotland)
We take a look at the Social Rugby World Cup teams, starting in Australia...