The Adventures of Brisco County Jr. - Season 1 Episode 7 -

Blackbeard LaCutte, a member of Bly's gang, fancies himself a pirate of the land, and intercepts stagecoaches and wagons and "boards" them. Brisco and Bowler team up again to track him down when LaCutte steals a town's supplies, including the medicine necessarily to cure a dying boy. In a final swordfight, LaCutte drowns in a pool of quicksand.