Bill Hader, formerly of Saturday Night Live, voices the "Newsman"
When Nathan says "I think this is the beginning of a beautiful friendship", this is a reference to the last line of the 1942 movie 'Casablanca'.
Barbrady says "Come with me if you want to live." This is the famous line from the Terminator series, spoken in the first film by Michael Beihn's character, and by Arnold Swartzeneggar's character in Terminator 2.
Butters exclaims "PC Principal is on the warpath!" - this phrase is not PC, therefore would enrage PC Principal even more.