A running joke is made about the ambiguous ethnicity of journalist Carmen Chao (Vanessa Lachey). Lachey herself is of Italian, Irish, and Filipino descent.
Jack presented a voice activation option as opposed to a remote control and when he says "Crap" the TV turns on "Keeping Up With the Kardashians".
There's another hint to the running joke that Kenneth is much older than he seems
Frank's trucker hats say "Straining Order" and "Wet Tacos".