. . "1"^^ . . . "250"^^ . . . "1"^^ . "2015-12-13"^^ . . "Today's the day, Clay Moorington."@en . . "The Book of Monsters - Part 1 is the first episode of the first season of Nexo Knights, and the first episode overall. It first aired on December 13, 2015."@en . . . "The Book of Monsters - Part 1"@en . . "black"@en . . . . "Unknown"@en . . . . . "The Book of Monsters - Part 1 is the first episode of the first season of Nexo Knights, and the first episode overall. It first aired on December 13, 2015."@en . . "yellow"@en . . . . "None"@en .