These are the first and only credited appearances of Forest Wolf Mohawk & Natalie Radmore in the series.
Misspellings on the classroom blackboard: "Fare is Fowl/Fowl is Fare" (from Shakspeare's MacBeth).
This episode is one of the few to contain two different consistencies of green slime. Alasdair's and Lisa's slime looks as thick as paint while Forest Wolf's and Natalie's looks quite watery.
It's the first time the human skeleton in the dungeon gets the name of Hodgkins. (Hodgkin lymphoma, a.k.a. Hodgkin's Disease, is among the top five cancers in kids ages 10 to 14, which is also the inclusive age range of the YCDTOTV cast.)