"Chicken, He Clucked" is one of the weirder and sometimes disliked episodes due to the odd story. So weird that writer J. Michael Straczynski co-workers and superiors questioned his mental health after he submitted the script.
The librarian was wearing Essence of Fungus which got Egon's brief attention.
The voice actors were recorded on October 15, 1986.
Egon reveals that it takes one minute and ten seconds to rewire the Proton Pack for alternate thrust.
This episode features the first appearance of the reference guide "Who's Who and What's That." It will be seen again in The Grundel (1987).