Victoria's Dan Dawson led all scorers with four goals and three assists.
Game 4 is Tuesday night.
Scott Evans put Peterborough up 10-9 on a power play, Dawson tied it and Hall then put a long shot past goalie Pat O'Toole after Kyle Laverty was assessed a high-sticking penalty with 34 seconds left.
Hall and Lewis Ratcliff had two goals each for Victoria and Derek Malawsky had a goal and four assists. Nolan Heavenor and Chris McKay also scored.
For the Lakers, Scott Evans scored three goals, Dan Carey and Ryan Sharp had two each and Tracey Kelusky, Steve Evans and Brian Croswell one each. John Grant Jr. had six assists.