Ireland centre Garry Ringrose was the star of the show as Leinster started their bid to regain the Champions Cup with a bonus-point win.
Scrum-half Joe Simpson scored two first-half tries but Gloucester could not contain Toulouse after the break at Kingsholm.
European Professional Club Rugby are not happy that Champions Cup holders Saracens were not represented at a launch event on Wednesday.
The fixtures for the 2019-20 Champions Cup and Challenge Cup have been revealed, with Saracens starting their title defence at Racing 92.
Munster, Racing 92 and the Ospreys will take on holders Saracens in the pool stage of the 2019-20 European Champions Cup.
Hooker Jamie George waxed lyrical over Billy Vunipola following his magnificent display in the European Champions Cup final.
The European Champions Cup final defeat to Saracens was hard to take for Leinster, but Johnny Sexton says they will bounce back.
Alex Goode has not played for England since 2016, but he has not given up hope of playing in the World Cup.
Mark McCall commended Billy Vunipola for his display against Leinster after a difficult period for the England international.
Billy Vunipola played a big hand in Saracens regaining the European Champions Cup after being booed in Newcastle.