This episode provides examples of
- Alternate Dimension: The world April, Don and Uncle Augie are sent to, as well as the world from "April's Artifact"
- Apocalyptic Log: How Don, April and Uncle Augie discover the Brotherhood's real intentions.
- Bitch in Sheep's Clothing: The Brotherhood pretend to be friendly and peace loving but it's a facade and want to conquer and eat the inhabitants of earth.
- Call Back: This episode directly mentions "April's Artifact", and April's plan even features some old enemies from that episode...
- Lizard Folk: The Brotherhood
- Nothing but Skulls: The mass grave in the Forbidden Zone
- Reptiles Are Abhorrent: The Brotherhood
- To Serve Man: The motivation of The Brotherhood, the lizard race