Friday saw the teams play a scoreless first period at the Westland Insurance Arena.
Kole Keen gave the Bears a lead 4:37 into the second frame only to have Cade Kennedy tie the game on an unassisted effort 1:19 later.
The 1-1 tie held until the third period when Estevan added three unanswered goals by Kole Keen, Daniel Ganert on the powerplay and Levi Herauf into an empty net to secure a 4-1 win.
Jackson Miller was in net for the Bruins facing 33 shots for the win, while John MacPherson also faced 33-shots in the loss for Yorkton.
The teams met again Saturday, and after a 15-minute delay waiting for officials, the host Maulers had a good first period with Dylan Schoenroth scoring at 12:56 and Dryden Jeannot at 13:16 while holding the Bears scoreless.
In the second period Daniel Ganert put Estevan in the board with a goal at 10:46.
It took only 1:47 into the third period for Cade Kennedy to extend the Mauler lead to 3-1 with an unassisted effort.
The Bears' Carson Birnie scored at 6:26 of the third to cut into the Yorkton lead making it 3-2.
Cade Cole then added the goal to knot the score at 3-3 at 7:24.
Then, with 3:06 left on the clock the Bears took the lead on a goal by Caden Drury.
With 1:07 left, Tucker Buhay solidified the lead for Bruins making it 5-3, to take the second win in as many days from the Maulers.
Kaden Perron was in net for Estevan, with MacPherson again in the Mauler net.
With the wins, Estevan has now won three straight games for the first time in its short franchise history.