Anaheim scored three goals in under seven minutes to start the third period and broke open a game that looked like it might go to either team after being tied 3-3 at the second intermission.
As the discipline issues continue to plague both teams in the series, defenceman Shane O’Brien took his team-leading sixth penalty of the series early in the first period after pushing Ducks’ forward Todd Marchant from behind into the centre ice boards.
The Ducks special teams opened the scoring on the ensuing power play when Fowler blasted a point shot past a screened Pekka Rinne after Nashville’s Ward failed to clear the puck.
Just 33 seconds later another defensive zone turnover cost the Predators as Koivu banged home a Jason Blake rebound to put the Ducks up 2-0.
Emery made 19 saves on 22 shots in the game.
As the second period got under way Nashville soon found itself with the man advantage after Martin Erat was drilled by a Jarko Ruutu hit that was called interference. Ward tipped home a Cody Franson slap shot from point on the resulting power play to tie the game 2-2.
Erat, who was Nashville’s regular season point leader, did not return to the game after the collision.
Before the period ended Selanne skilfully tipped in a Getzlaf centering pass while on the power play.
Halischuk respond two and half minutes later by scoring his first career playoff goal on a wrap around pass from Kevin Klein to tie the game 3-3 going into the final frame.
Whatever Randy Carlyle said during the second intermission definitely worked.
The Ducks roared into the final period on fire, chasing Rinne from the net after beating him three times in less than six minutes on goals from Perry, Getzlaf, and McMillan to put Anaheim up 6-3.
Rinne allowed six goals on 29 shots before being yanked for Anders Lindback who stopped all nine shots he faced.
Game 5 will take place on Friday night at the Honda Center in Anaheim.