Edmonton took a 2-0 lead into the second, but Washington was able to rally, scoring four in the period and protecting a 4-3 lead going into the games final stanza.
Midway through the period, Shawn Horcoff scored his 21st goal of the year, and the game remained tied until the dreaded shootout.
It was tweleve rounds in that the Capitals found their hero - unlikely as he was - Matt Bradley hoped over the boards on a whim and put a backhand shot passed the blocker of Oilers goaltender Dwayne Roloson.
"He just said, 'I'm going to score, put me out there,' and he jumped over the board and he went in," Boudreau said. "He told me, he didn't ask."
Washington will look to break a two game losing streak as the Oilers return to the Verizon Center tomorrow night.