Fly-half Jimmy Gopperth scored 23 points as Wasps recorded their second away win of their European Champions Cup campaign to remain firmly on course for the knockout phase.
George Ford kicked a match-winning conversion with the game's final kick as Bath dramatically ended Wasps' unbeaten European Champions Cup record with a 25-23 victory in front of England head coach Eddie Jones.
Wasps linked to another big name in Halfpenny, Dusautoir hands French captaincy over, move back to league for Eastmond and Faletau's tidy salary over in Bath
After back-to-back wins over European giants Leinster and Toulon in the Champions Cup, Wasps continued their run of form into the Premiership at the London Double Header at Twickenham.
Rugby Expo, the largest B2B conference and exhibition focused on club rugby, will move to the Ricoh Arena in 2016 after agreeing a new long-term partnership with Wasps Rugby Club.
The London Double Header has been a firm fixture in the Aviva Premier-ship calendar since 2004 and has consistently been decided by dramatic game changing moments.
Manu Tuilagi could become the Aviva Premiership's highest-paid player of all time after Worcester and Wasps joined the fight to prize the England centre away from Leicester.
Gloucester had wing David Halaifonua sent off as they crumpled to a 23-3 defeat against Wasps in a one-sided Aviva Premiership clash at the Ricoh Arena.
Wasps fly-half Jimmy Gopperth will continue to serve a three-week ban for striking Mathew Tait after the club's appeal against the length of the ban failed.