Corrected entry: When the group go through the ice cavern, they walk past a frozen UFO. If you watch the child closely, you can see he forms a 'V' with his fingers. This is the Vulcan hand sign, from Star Trek, which means 'live long and prosper'.
Ingabritzen
25th Mar 2006
Correction: While this is true, it isn't really trivia. It's more of an in-joke that most viewers probably figured out for themselves.
Ingabritzen