It is revealed in "Club Otis" that Abby has 17 brothers and they never let her in any of their clubs.
Otis: I'm...uhh...Conan, a bull barbarian hero, and these are some elves and stuff.
Snotty Boy: I'm gonna visit the barn animals, because that's what I do! I'm gonna visit the barn animals so hoodely-hoodely-hoo! My giant big boy brain makes me their leader! Oh...time for a potty break!
(hearing sounds of "mooyah mooyah mooyah" streaming from Otis' clubhouse)
Abby: That must be their secret clubhouse chant. Isn't it cool?
Bessy: If by cool you mean brain-dead stupid!
Bessy: Do they really think we don't know.
Abby: Hey, Bessy, let's follow them and find their secret clubhouse.
Bessy: Yeah right. I'd rather stay home and check myself for ticks.
Abby: Don't go, Otis! It's just a hat.
Otis: It's fuzzy! (rushes into the volcano and rescues his hat) I got it! (crushed by rock) Oww!
Eugene (Snotty Boy): (thinking he is in the magical realm of Barnia, he sledgehammers the walls of the farmer's home to make way for his dream castle) ...and this is where I'll put the torture chamber slash breakfast nook!
The episode title "Chronicles of Barnia" alludes to the series of books written by C.S. Lewis called The Chronicles of Narnia.
In the "Chronicles of Barnia" episode, when Eugene orders the animals to dance, they do so similar to Riverdance.
In the "Chronicles of Barnia" episode, Peck sings a song to the tune of the ballad "Greensleeves."
In the "Chronicles of Barnia" episode, Freddie acts like the "Gollum" character from The Lord of the Rings and Otis dresses and acts like the eponymous character from Conan the Barbarian.
In the "Chronicles of Barnia" episode, Abby dresses and acts like the eponymous character from Xena: Warrior Princess.
The episode title "Chronicles of Barnia" is an allusion to The Chronicles of Narnia, a series of books written by C.S. Lewis.
"Dungeons and Barn Animals" is an allusion to "Dungeons and Dragons," a popular game invented in the 1980s.