Near the end of the movie when Echo took off in the spaceship, Munch tried to lie to his parents about the whole adventure and told them "We played a new videogame. A guy with a soul of a dragon or something." He was referencing to "The Elder Scrolls: Skyrim." Which the main character had the soul of a dragon. The actor who plays munch actually did a voice over for a child in the game.
"Earth to Echo" was produced and financed by Walt Disney Pictures. After chairman Alan Horn saw a final cut, it was put in turnaround and was purchased by Relativity Media.