When J'onn says, "You just have to try," Kara replies, "That's not what Yoda would say." J'onn then comments, "Oh yeah. Yoda. 'Do or do not.' He was wrong about that one."
When Brainiac asks Winn if he remembers who scratched him, Winn says, "Oh! Well, there was the guy with the gloves and the knives and then the burnt face." Alex and Kara explain to Brainiac that Winn is referring to Freddy Krueger, a character in a film.