Watch free-to-view highlights of the Baggies' midweek battle with the Hornets.
It was an end-to-end affair as John Swift cancelled out Tom Ince's early opener from a fine free-kick, before Jed Wallace put Albion ahead just a few minutes later with his first of the campaign.
However, the hosts would have the last say in front of goal as Matheus Martins' curling effort levelled the match once more as an action-packed first 45 proved to have all the decisive moments on the night, with both sides taking a point from Wednesday's Championship clash.
Watch all the WBA TV footage from our draw with Watford in the video below.