For Grandpa, there are a number of Star Trek references in WoW:

http://wow.joystiq.com/2009/05/10/star- ... -warcraft/

And from Cata (http://www.wowwiki.com/List_of_pop_cult ... /Cataclysm):
During the Horde quest [84] Madness, if you speak to the Negotiator you are sent with, he says "Does this red shirt make me look expendable?".

This quest is part of the questline to open the Twilight Highlands (Dragonmaw Port) for the Horde.

That Twilight Highlands quest popped into my head as soon as Grandpa mentioned it. I love horde quests.

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I've been leveling a Shaman in Uldum and towards the end of the first Schnotz chain there is a "hide yo kids hide yo wife" reference when these huge elites start attacking the area. I seem to recall one of the hosts saying they would have liked to see that reference in game as well.

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Love this!