I don't think anyone posted this, you might get a kick out of it. Here's a full link (with pictures) here but if not, here's a summary:
News: Lady Gaga’s Telephone Music Video Fun Facts
Number 1: (Referring to the list of ingredients used while she is baking.) The poisons are from Star Wars, : Fex-M3 is from the Star Wars extended universe, Meta-cyanide is from Dune, and Tiberium is from Command and Conquer.
Number 2: "Haus" is spelled "incorrectly" at the end, however, it is actually because: Haus of Gaga has become House Of Gaga, which peole have been speculating is a combination of Hause of Gaga & House Of Dereon, Beyonce’s clothing line.
Number 3: The diner is the same diner they use in NCIS.
Number 4: Noticed that lady that looks alot like Gaga? Well she’s her sister Natali Germanotta.
Number 5: (Not that interesting to me, but hey, maybe to some.) Alektra Blue, pornstar, makes a cameo in the jail.
Number 6: The Japanese words with reference to anime “One Piece” is rather uh, random. (We all knew this one.)
Number 7: During the news broadcast (you can go to the page for reference) he words at the bottom are the lyrics to Telephone in Swedish
Number 8: One of the guards is Ms Mann from Scary Movie. (Boooring.)