An astonishing start which saw Bath 28-0 ahead inside 19 minutes proved crucial as the Prem side saw off Munster 40-14 in their Champions Cup opener.
Gloucester beat Harlequins 26-15 at Kingsholm to record their first Prem win of the season at the sixth attempt.
Leicester Tigers eked out a 36-35 win against Sale Sharks as Bath, Harlequins and Exeter all won by big scorelines in Saturday's Gallagher Prem action.
Marcus Smith's return inspired Harlequins to their first win of the Prem season as Saracens saw their perfect start come to an end with a 20-14 loss at The Stoop.
Leicester staged an incredible fightback to beat Harlequins, whilst Exeter beat Newcastle, and Saracens took control of Bristol.
Is Marcus Smith at risk of being overlooked as a starting British and Irish Lion this summer in Australia?
London Irish administrator Lee Manning says it is only "a matter of time" until the next Premiership club goes bust and that "radical change" is needed.
Danny Care chats to Sky Sports about England highs and lows, his incredible longevity in the sport and despair at never becoming a British and Irish Lion.