This page contains trivia for "A History Channel Thanksgiving". Remember, trivia must be factual, provable, and it is always best to cite your source for not-so-obvious trivia. If you would like to dispute a trivia point, please discuss it in the article comments.
This episode's plot is a satire of the paranormal show Ancient Aliens, shown on The History Channel.
The majority of this episode's plot is a parody of the 2011 Marvel Comics' film Thor which also featured Natalie Portman in the same role as this episode, potentially alluding to her seeming irrelevance to the overall story. The History Channel President with twelve agents mirror Phil Coulson of S.H.I.E.L.D. from the movie.
One of the planets on the map the pilgrim shows Kyle was called the "Green Lantern World" in reference to the film Green Lantern.
"He who controls the stuffing, controls the universe," is a reference to the line, "he who controls the spice controls the universe," from the book and film Dune.
The star map is a reference to the different families' planets in the Dune saga.
The DeVry Institute is a for-profit technical college with campuses around the United States.
Cartman compares Kyle's cynical attitude to menopause. This joke continues a gag from previous episodes "It Hits the Fan".
The History Channel was used as a study aid in "I'm a Little Bit Country" for an assignment on the founding of the United States of America.
This episode has Indians and Pilgrims from different worlds. This was previously mentioned in "Cancelled", in which the aliens revealed that Earth's population is in fact comprised of many different species taken from different planets.
The restaurant that Kyle and Natalie eat at has a similar background and waiter as the Italian restaurant Buca De Faggoncini that was featured in the episode "Erection Day".
Butters is seen watching one of the Jonas Brothers' music videos. The music video originally appeared in the episode "The Ring".
The pilgrims apparently have the capability to break through the force field around Earth that was put there in "Pinewood Derby".
Earth - A planet where the Pilgrims and the Indians settled many years ago.
Plymouth - Home to the Pilgrims, who control the stuffing mines.
Indi - Home of the Indian People, who are trying to take the stuffing mines from the Pilgrims.
"Indus" is the name of a real-life constellation, representing an Indian, referring ambiguously to an Indian of either American or Asian origin. The genitive form of the word, "Indi", is used in individual star designations. It is possible that Indi is a planet orbiting one of the stars in the constellation Indus.
Green Lantern World - Green Lantern (2011) was a movie that had some similarities with Thor in that they both involved extraterrestrials and comic book super heroes. Released in the same year, Thor was popular, while Green Lantern was not.
Historically, the pilgrims were an English separatist religious movement from Plymouth, England. "Plymouth" is also the name of Plymouth Rock in Massachusetts, traditionally identified as the place where the pilgrims landed in 1620 in order to establish a new colony.
The natives of the Americas are named Indians from the error that Christopher Columbus believed he was close to the East Indies and China. The Caribbean island chain is called the West Indies for the same reason.