"--04-09"^^ . . . . . "\"The Best Burger in the World\" is the twenty-first episode in Season 3 (and sixty-first episode overall) of Regular Show. It first aired on April 9, 2012."@en . . . "The Best Burger in the World"@en . . . . . . . . . "322"^^ . "3"^^ . . . . . "21"^^ . "\"The Best Burger in the World\" is the twenty-first episode in Season 3 (and sixty-first episode overall) of Regular Show. It first aired on April 9, 2012."@en .