When Crane visits Abbie's grave, he makes a passing mention of a new studio album by "Mr. Robert Zimmerman". Zimmerman is Bob Dylan's real name, and the album to which he refers is Dylan's "Fallen Angels".
At 9:31 Crane quotes Dorothy Gale who stated "There is no place like home." in the Wizard of Oz.
Alex mentions building a Faraday Cage (which is used to block electromagnetic fields). Actor Jeremy Davies played a character named Daniel Faraday in the show Lost, who was a physicist the show.