Toews had done the improbable by scoring two goals in just 72 seconds in the third period to tie the game and force overtime. His goals came with 1:50 left and then 37.2 seconds remaining in regulation, after the Ducks had led for 52 straight minutes. The goals forced the sixth overtime period in this series alone.
Sami Vatanen scored and recorded an assist for the Ducks, who are just one win away from their first Stanley Cup Final since 2007. Patrick Maroon added a goal with 5:15 left in regulation, giving Anaheim a two-goal lead.
Corey Crawford made 23 saves in the loss for Chicago, who had won four overtime games this postseason, including two in the series.
Cam Fowler and Ryan Kesler scored just 32 seconds apart in a three-goal first period for Anaheim. Ryan Getzlaf recorded two assists, giving him 19 points in the postseason, which is good for most in franchise history in a single-season playoff.
Teuvo Teravainen and Brent Seabrook scored in the second period for the Blackhawks, who lost game 5 in a 2-2 series for the first time in the past eight tries. Chicago is looking to reach the Stanley Cup Finals for the third time in six seasons. The Blackhawks went 16 minutes without a shot on goal while falling behind 3-0 to begin the game.
Game 6 of the series will take place in Chicago on Wednesday night.