Gregory Smith (Greg) revealed in an interview that a lot of the Earth scenes were shot at his actual high school that he was attending at the time. Some of his real life friends from the school were cast as extras.
The film takes place in April 2049.
Zenon Kar was born in 2036.
Brenden Jefferson (Andrew) has publicly gone on record to say that Zenon's intended 4th installment, "Zenon: Savior of the Zenoverse," made it approximately 4 weeks into production before Disney executives pulled the plug on it, reportedly due to reduced interest in the franchise. An online petition to continue production on the made-for-TV movie received nearly 42,000 signatures before the head of the Disney Channel's televised film department announced that the film would not be made.