When Danny beats Seth at the video game, he turns to Seth and says "You just got Punk'd (2003)! There's a camera there *points*, there *points again* and over there!*and once again*". Incidentally, Adam Brody got Punk'd three months after this episode aired.
Danny (Bret Harrison) and Seth (Adam Brody) are good friends in real life and are even in a band together, "Big Japan".
Seth (Adam Brody) says "that letter is like the ring, anyone who reads it dies." Adam Brody was in The Ring
Samaire Armstrong (Anna Stern) and Chris Carmack (Luke Ward) also worked together on Just My Luck (2006) as Maggie & David Pennington respectively.