"Something evil has returned to Hogwarts!"
Harry Potter and the Chamber of Secrets - Easter Eggs & Hidden Details
Easter Eggs
Lucius Malfoy's Sleight of Hand
In the bookstore scene, viewers can clearly see Lucius Malfoy pick up a book from Ginny's cauldron and slip two books back in. One is hers, and the other is Tom Riddle's diary, setting the entire plot in motion.
The Vanishing Cabinet
When Harry accidentally travels to Borgin and Burkes, he hides in a large black cabinet. This is the Vanishing Cabinet that becomes a crucial plot device for Death Eaters entering Hogwarts in the sixth film, The Half-Blood Prince.
Sherbet Lemon Password
The password to Dumbledore's office is "Sherbet Lemon," a reference to the very first chapter of the first book where Dumbledore offers Professor McGonagall this Muggle sweet.
Hand of Glory
In Borgin and Burkes, Draco examines a withered hand on a cushion. This is the Hand of Glory, a dark artifact mentioned in the books that gives light only to the holder, though not used in this film's plot.
No Nose Voldemort
In the flashback scene where Harry sees Tom Riddle, there is a brief shot where Riddle's face is distorted, and his nose appears to be missing, foreshadowing his future serpentine appearance as Voldemort.