Trivia: The book that Sam reads is The Outsiders, Ralph Macchio starred in the film version.
Trivia: Daniel stumbles in on his daughter kissing Miguel. He then suggests to her he would like that they the door open, to which his daughter replies "come on dad, it's not 1984." The original Karate Kid was released in 1984.
Trivia: The kick Devin uses to win her match in the montage is the same one Johnny used in the tournament montage from The Karate Kid (1984).
Trivia: The chop to the back of the neck Dimitri uses in the montage is the same move Daniel used to win his first match in The Karate Kid (1984).
Trivia: The scene of the Cobras throwing down their team merchandise on the defeated Terry Silver was based on a deleted (perhaps unfilmed) scene from Karate Kid 2 where the Cobras throw their belts down on a defeated Kreese.
Trivia: While all the towns and street names were all real for the valley, the addresses shown on applications and other papers were fake (example: Johnny's address listed on Saticoy St showed 4 digits whereas Saticoy St is all 5 digits throughout the valley). Robbie's address had a street name that does not really exist.
Trivia: Kreese pushes Johnny to the mirror and breaks it, just like Miyagi did to Silver in The Karate Kid 3.
Trivia: Miguel takes Sam to "Golf and Stuff", Daniel did the same thing with Ali in The Karate Kid.