Bath secured home advantage in the Gallagher Prem play-offs after beating Leicester 24-22 at a rainswept Recreation Ground.
Bristol upset the form book to beat their West Country rivals Bath 21-19 at Ashton Gate and keep their Prem play-off hopes alive.
Henry Arundell scored four tries as Bath tightened their grip on second place in the Gallagher Prem with a dominant 69-12 home victory over Newcastle.
Bath came up against an inspired Bordeaux as their Investec Champions Cup campaign ended in a 38-26 semi-final defeat at Stade Atlantique Bordeaux Metropole.
Fin Smith's last-second penalty snatched a breathless 41-38 victory for Prem Rugby leaders Northampton Saints against second-placed Bath at Franklin's Gardens.
A last-minute try by England fly-half Fin Smith saw Northampton Saints snatch a thrilling 35-28 victory over Exeter Chiefs at Sandy Park on Saturday afternoon.
Northampton were denied a Champions Cup semi-final spot for the third successive season after Bath won 43-41 following a late yellow card for England star Henry Pollock.
Bath turned to a quartet of their England backs to turn the tide as they edged into the Champions Cup quarter-finals with a 31-22 victory over Saracens.