. . . . "Targeted Buildmasters"@en . "A Test of Metal is the twenty-third episode of Robots in Disguise. It first aired in the United States on September 29, 2001 on Fox Kids."@en . . . "A Test of Metal"@en . "300"^^ . "356"^^ . "2001-09-29"^^ . "A Test of Metal"@en . . "A Test of Metal"@en . . . . "Nerawareta Buildmaster"@en . "23"^^ . . . "\u72D9\u308F\u308C\u305F\u30D3\u30EB\u30C9\u30DE\u30B9\u30BF\u30FC"@en . "2000-09-06"^^ . "A Test of Metal is the twenty-third episode of Robots in Disguise. It first aired in the United States on September 29, 2001 on Fox Kids."@en . . "23"^^ .