o.O 24 is a TV series 

42 is film I believe. Or it could be a Hitchhiker's Guide reference. [http://www.independent.co.uk/life-style/history/42-the-answer-to-life-the-universe-and-everything-2205734.html]

1987 is a book. Ooops that is 1984. =P Sorry. I was like "OMG you know that book too."