Each episode includes in its credits an obscure word and its definition.
- Aerophobia
- Fear of air
(from Episode 15) - Affinal
- to be related by marriage
(from Episode 61) - Anophelosis
- morbid state due to extreme frustration
(from Episode 10) - Anterior Nares
- Your nostrils
(from Episode 17A) - Appersonation
- believing that one is a famous person
(from Episode 59) - Azygous
- Appearing as one single being or part
(from Episode 22) - Barophobia
- Fear of gravity
(from Episode 23) - Basilic
- royal or kingly
(from Episode 56) - Bleb
- Small gathering of fluid under the skin
(from Episode 27) - Blue Nevus
- A steel blue skin lump
(from Episode 37) - Bolus
- Chewed up bunch of food
(from Episode 33) - Buccal
- The inside of your cheek
(from Episode 31) - Calor
- Body heat
(from Episode 41) - Capitose
- having a large head
(from Episode 63) - Caruncle
- The membrane that lines the abdominal cavity
(from Episode 19) - Caseation
- dead tissue that looks like crumbly cheese
(from Episode 17) - Congaudence
- A celebrating or rejoicing together
(from Episode 53) - Contesserate
- allied in friendship
(from Episode 57) - Cynanthropy
- disorder where sufferer imagines he's a dog
(from Episode 7A) - Empleomania
- obsession with holding public office
(from Episode 12) - Enatic
- related to on the mother's side
(from Episode 60) - Entropion
- An eyelid turned in towards the eye
(from Episode 38) - Enucleation
- removal of an organ in one piece
(from Episode 47) - Epimyth
- the moral of a story
(from Episode 51) - Epistaxis
- A nose bleed
(from Episode 36) - Epulis
- A tumor or growth on the gums
(from Episode 35) - Erythrocyte
- a red blood cell
(from Episode 49) - Exophagy
- cannibalism outside the tribe
(from Episode 9A) - Fasciculus
- Small bundle of muscles, tendons, or nerve fibers
(from Episode 39) - Flexanimous
- able to change others minds
(from Episode 62) - Floccinaucinihilipilification
- categorizing something as worthless trivia
(from Episode 13) - Formication
- the feeling that ants are crawling on you
(from Episode 4c) - Fuliginous
- smoky or sooty place
(from Episode 54) - Genu
- Any body structure that's shaped like a knife
(from Episode 26) - Gharnao
- a raft made of inverted ceramic pots
(from Episode 2A) - Ghost Teeth
- Lack of the Teeth's Outer Layers
(from Episode 43) - Groaking
- staring at someone eating in hopes they'll give you something
(from Episode 4A) - Hamartia
- the classic tragic flaw
(from Episode 6) - Helmintgusasus
- Disease caused by worms invading the body
(from Episode 30) - Hircismus
- stinky armpits
(from Episode 6A) - Honorificabilitudinitatibus
- with honorablenesses
(from Episode 7) - Humdudgeton
- imagining pain or ailment
(from Episode 50) - Hypesthesia
- Abnormally low sense of feeling
(from Episode 40) - Ideophobia
- Fear of ideas
(from Episode 25) - Introjection
- Building someone elses qualities into your ego
(from Episode 28) - Linonophobia
- fear of string
(from Episode 46) - Morology
- The study of foolish and nonsensical talking.
(from Episode 18) - Myomancy
- divination by movements of mice
(from Episode 5) - Mythopia
- fear of stories
(from Episode 48) - Omphaloskepsis
- comtemplating one's naval
(from Episode 9) - Oobar
- a dry fog of the upper Nile
(from Episode 5A) - Otacust
- a spy
(from Episode 55) - Ototoxic
- having a bad effect on hearing organs
(from Episode 34) - Palinoia
- compulsive repetition of an act until perfect
(from Episode 3) - Panphobia
- fear of everything
(from Episode 20) - Periculant
- being in danger
(from Episode 58) - Peritoneum
- The membrane that lines the abdominal cavity
(from Episode 14) - Persiflage
- insignificant babble
(from Episode 45) - Phronemophobia
- fear of thinking
(from Episode 4D) - Post-Pranial
- Following a meal
(from Episode 24) - Psaphonic
- planning one's rise to fame
(from Episode 4) - Pternophobia
- Fear of feathers
(from Episode 42) - Quercetin
- a yellow dye found in lemons
(from Episode 32) - Refocillate
- to refresh or revive
(from Episode 52) - Saggittal Suture
- jagged line on the top of your skull
(from Episode 16) - Schadenfreude
- joy at the misfortune of others
(from Episode 44) - Sinciput
- the forehead
(from Episode 8) - Sparganosis
- Infection from the larvae of the fish tapeworm
(from Episode 29) - Spheropygian
- having full and rounded buttocks
(from Episode 8A) - Spizzerinctum
- the will to succeed
(from Episode 1) - Trichotillomania
- Abnormal urge to pull out one's hair
(from Episode 21) - Ultracrepidarianism
- giving opinions outside of one's knowledge
(from Episode 2) - Unasinous
- equally stupid
(from Episode 11) - Viraginity
- Female masculinity
(from Episode 64) - Yerk
- to beat someone vigorously
(from Episode 4b) - Zumbooruk
- a small cannon fired from the back of a camel
(from Episode 3A)