Lego Nexo Knights Season 4 Episode 4 In his Majesty's Secret Service Episode Title:In his Majesty's Secret Service.Episode Description:Clay has seemingly turned evil again and has wiped out the Nexo Knights. Fortunately, this news broadcast was falsified in order to deceive Jestro and the Cloud of Monstrox. However, in order to get Clay to infiltrate them, he goes through spy training under the teachings of Jack Shields (a parody of James Bond). Clay, posing as his villainous self, infiltrates Jestro and the Cloud of Monstrox's forces. He finds out their plans to collect the Forbidden Powers. As Clay shakes Ruina Stoneheart's hand, a surge of energy passes through them. Unfortunately when Robin's life is put on the line, Clay's cover is blown, but the other Nexo Knights swiftly launch an ambush on the Stone Monster Army, forcing them to retreat. Back at the Fortrex, Clay reveals Jestro and the Cloud of Monstrox's plan to the other knights, but Macy and Merlok 2.0 notice that Clay is no longer himself and Merlok 2.0 believes that Ruina has cursed him with dark magic.