Chuck's mother, after she rescues Sarah and Chuck, says: "Come with me if you want to live". That line is from the Terminator movies, which Hamilton starred in the first two.
At the beginning of the episode, as Chuck and Sarah are walking down the street Vaughn Monroe is heard singing "Let it Snow". Vaughn Monroe sang "Let it snow" at the end of Die Hard 1 and 2.
Jeff's full name is Thomas Jefferson Barnes (revealed by Lester).