. "20"^^ . . . "Bud's Knotty Problem"@en . . . . "4.0"^^ . . . "2016-10-13"^^ . "\"Bud's Knotty Problem\" is the first half of the fourth episode in the twentieth season of Arthur."@en . . . . . "\"Bud's Knotty Problem\" is the first half of the fourth episode in the twentieth season of Arthur."@en . "2004"^^ . . .