Even by the high standards set by the Heineken Cup in recent years, the first weekend of competition this season was one to remember.
The opening round of pool matches brought plenty of excitement in the form of upsets and fightbacks and has certainly whetted the appetite for this weekend's second round of games between the leading teams in European club rugby.
Friday's action sees Newport-Gwent Dragons take on Glasgow, Sale Sharks hosting Cardiff Blues while Perpignan are at home to Northampton.
Of those games, most of the focus will be on the Saints in the south of France following their stunning 31-27 victory over online betting second favourites Munster last weekend.
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Just 24 hours later the action hots up as sportsbook favourites Toulouse travel to The Stoop to face a Harlequins side that is still in the spotlight following their summer disciplinary problems.
The Bloodgate affair which engulfed the Guinness Premiership club has its roots in the Heineken Cup.
Toulouse added to their growing reputation with a convincing 36-17 dismissal of Sale last weekend, while Quins lost 20-6 at the hands of an injury-weakened Cardiff Blues outfit.
Leinster must bounce back from an opening 12-9 defeat at the hands of London Irish when they face Brive on the road in what is a must-win Pool Six game for the defending champions.
Fellow Irish side Munster have also spent the week licking their wounds but are expected to sweep Treviso aside at Thomond Park.
It's a similar story for last year's beaten finalists Leicester Tigers when they take on Italian minnows Viadana.
The injury-ravaged Welford Road side fought back manfully to draw 32-32 with Ospreys on match-day one after trailing 26-15 at half-time.
Saturday's other fixtures see Biarritz host Gloucester, while Edinburgh are at home to Ulster and Scarlets visit London Irish.
Two games complete the action on Sunday with the headline encounter taking place at the Liberty Stadium in Swansea.
Scott Johnson's Ospreys side have been heavily criticised after failing to hold on to their lead at Leicester on Sunday and will be keen to silence their doubters when Clermont Auvergne arrive in Wales.
The French side made hard work of overcoming Viadana 36-18 last weekend.
Meanwhile, Bath welcome Stade Francais to The Rec for a game they cannot afford to lose following their opening 26-12 defeat at the hands of Ulster.