The Booby Ruth bars featured in this episode are a parody of Baby Ruth bars.
When Dudley yells, "In space, no one can hear you trick or treat!" he references the classic 1979 sci-fi film, Alien. The Season 1 episode, Mission: Really Big Mission also featured references to Alien.
Keswick speaks Pig Latin when he reacts nervously to the zombie horde inside T.U.F.F. HQ.
Puppymint is play on peppermint.
The Chief says he made a call to save fifteen percent or more on car insurance. This is a reference to the slogan of the car insurance company, GEICO.
This is the second time there's been a zombie invasion. The first was Puppy Unplugged.
When Kitty gets Dudley's mints when the zombies attack them and she throws it to them, she throws it exactly like a Baseball pitch.
Dudley throwing Kitty when she crosses paths with him.
Dudley and the others thinking Kitty's a black cat, to which she angrily explains she is tan.
Dudley wearing different costumes and is mistaken to be the real deal.
The Chief recording himself with his phone while locked in his office, when he thinks it is the zombie apocalypse.
Bird Brain looking for the Booby Ruth wrapper that contains the free jetpack prize.