Continuity: When the family is getting into the car to go to the wedding one grandmother says to the other "let me in". The grandmother gets out to let the other grandmother in but the first grandmother never gets back in the car, she just pretends to. You can see her hiding behind the cars as it backs down the drive. Both grandmothers are in the car when they see Long Duk Dong on the lawn.
Great sites
Mistakes
When Samantha and Randy are getting on the bus, they both scan past the juvenile carnage to the back of the bus where the adolescent band is practicing. The geek is nowhere to be seen. However, when they take their seats, the geek immediately appears behind Samantha at the back of the bus leaning on a trombone case. See more...
Trivia
John Cusack's real-life sister, Joan Cusack, is wearing the neck brace on the bus in the beginning of the film. See more...
Sixteen Candles (1984)
Directed by John Hughes, starring Anthony Michael Hall, Joan Cusack, John Cusack, Molly Ringwald (add more)
Sixteen Candles mistakes
Other: The chunk of hair that Ted has in the car is in a ponytail, and much longer than the hair cut off in the door.
Other: Even though the door was locked on the half-built car, there was nothing to stop it from opening because the pillar (and mating piece for the latch) was missing.
Sixteen Candles trivia
John Cusack's real-life sister, Joan Cusack, is wearing the neck brace on the bus in the beginning of the film.
Molly Ringwald's real-life sister, Beth Ringwald, appears in the film as Patty Baker.
Director John Hughes, wrote this script in two days.