Bath's dominant second-half display was enough to see off Bristol Bears 34-20, as Johann van Graan's side edge closer to a treble.
Bristol have won 11 of their last 14 encounters against rivals Bath - including doing the double this season - but skipper Fitz Harding feels the Bears will need something extra to upset the odds.
Bristol Bears rout Harlequins 52–26 to book semi-final clash with Bath in Gallagher Premiership.