Every episode of the podcast features various references to pop culture.
- Episode 29's title "California Schemin'" references "California Dreamin'" by The Mamas & the Papas.
- Episode 2's title "Our Flag Means Content" references Our Flag Means Death. The episode discusses the show throughout it.
- In Episode 30, Andy says that the points don’t matter in the quiz game, just like in Whose Line Is It Anyway?.
- Andy quotes Bill & Ted's Excellent Adventure at the end of Episode 39 when he says "be excellent to each other".
- Episode 5 is called "101 Questions About Dalmatia", referencing 101 Dalmatians.
- Episode 13 is called "We Bought a Zoo", referencing the movie of the same name.
- Andy references the Nicki Minaj song "Starships" in "A Quick Lesson on Flag Organization" when he says that "Flags, much like starships, were meant to fly".
- A UK subdivision listed on the Flagventory is Blackstool, a fictitious city in England that Tobias in Arrested Development claimed to be from as his character Mrs. Featherbotom.
- Andy compares the flag of the union between Norway and Sweden to The Call of Cthulhu, as describing it causes anyone to go insane.
- At the end of the first episode, Andy and Nick reference the song "Inside Out" by Eve 6 by saying "Rendezvous then I'm through with you". The episode's title "Herring Salad in a Blender" references the lyric "heart in a blender" from the same song.
- The background of videos features some merchandise in Andy's room, including a Pokéball mug and a Darth Vader figure.
- In Episode 2, Andy says that he's like Michael Scott from The Office (US) in that "I'm not superstitious, but I am a little stitious".
- Episode 17 is titled "The Secret of the Ouse", referencing Teenage Mutant Ninja Turtles II: The Secret of the Ooze and the River Ouse in Yorkshire.
- Episode 18 is called "Oops, All Ohio!", referencing the Cap'n Crunch cereal Oops, All Berries.
- Episode 11 is called "Flags on a Plane", referencing Snakes on a Plane.
- In Episode 3, Andy says that the Isle of Man sounds like something from Paradise Lost, and Kickassatron compares its flag to the giant foot from Monty Python and the Holy Grail.
- Andy and Bryant Smith make multiple references to WWE in Episode 4.
- Bryant calls the flag of Sri Lanka the Fortnite flag.
- Kevin says that the flag of Ježov looks like an armadillo fused with a Critter.
- Kevin compares the Laser Kiwi flag to Homelander.
- In Episode 10, Andy and Eric Hilner briefly talk about Street Fighter and the characters they played as a kid.
- In multiple episodes, Andy and his guests bring up the use of the Confederate flag in The Dukes of Hazzard.
- In Episode 11, Brandon references the infamous "37 cocks" scene from Clerks to explain why the flag of Missouri has 37 stars in one part of the seal.
- In Episode 13, the guests nickname the dog from the flag of Drniš, Croatia "Saint Air Bud".
- In Episode 13, he guests joke that the bull on the flag of Kaunas, Lithuania looks like Carl from Aqua Teen Hunger Force.
- One guest in Episode 13 says that the hand on the flag of Pskov Region reminds him of God's foot from Monty Python and the Holy Grail.
- The flag of Ulaan Baatar is said to look like it's going Super Saiyan in Episode 13.
- One guest in Episode 13 recites a line from "Rasputin" by Boney M. when talking about Russian flags.
- In Episode 17, Andy jokes that a riding as in the ridings of Yorkshire refers to how long it takes to ride a horse in a day and compares it to The Oregon Trail.
- There are many references throughout the show to Dungeons & Dragons, as Andy is a fan.
- The title of Episode 20, "A Rival of a Train", is a reference to the 1895 short film Arrival of a Train.
- The second Flagged For Bonus Content episode "Wild Horses" references the song of the same name by The Rolling Stones (Band).
- In the third bonus episode, Andy says that the horse in the flag of the Moravian-Silesian Region reminds him of BoJack Horseman.
- The title of Episode 41, "Flori-Banner Sure", references the reality show Floribama Shore.
- Episode 33 is called "Flags of the World Wide Web", which comes from the website Flags of the World. FOTW serves as the main focus of the episode.
- FFBC 5 is called "Tiers of the Kingdom", referencing The Legend of Zelda: Tears of the Kingdom.
- In Episode 42, Andy says that the flag of Kyrgyzstan looks like the Xbox 360 logo.
- The Laser Kiwi flag has been a topic of discussion on multiple occasions as the host and guest describe the kiwi as a cryptid and said they would join a cult dedicated to the flag.
- Episode 43 is titled "A Message in a Wattle", referencing the song "Message in a Bottle" by The Police.
- In Episode 43, Andy says that the flag of Sydney looks like someone screwing around in Kid Pix.
- Episode 44 is titled "Swede Dreams are Made of Breeze", referencing the lyrics of the Eurythmics song "Sweet Dreams".
- Andy refers to a globus cruciger as a holy hand grenade.
- Due to Karlstad being associated with the sun, Andy jokes that "It's always sunny in Karlstad".
- Episode 46 is titled "Duke Unfurled", referencing the Gene Chandler song "Duke of Earl".
- Elaijah recites the lyrics to "Everytime We Touch" by Cascada at the end of Episode 46.
- The updated intro features a loading screen, with "reticulating splines" being shown as one aspect of the video loading. This is a nonsensical phrase that appears in the SimCity series.
- In Episode 47, Andy points out that the coat of arms of Bolivar State, Venezuela features the flow of the Orinoco River, like the Enya song "Orinoco Flow".
- Graham describes Swiss flags featuring "Goats and lions and bears," to which Andy replies "Oh my!", referencing a famous quote from The Wizard of Oz.
- Andy briefly mentions The Life Aquatic with Steve Zissou when talking about Jacques Cousteau and the flag representing the Calypso.
- Graham presents on two flags from The Simpsons in Episode 47.
- Andy uses Dudley Do-Right as an example of stereotypical depictions of Canada in Episode 48.
- Andy says that the flag of Dlouhá Třebová looks like Lucy from Disenchantment.
- One of the questions in Episode 48's quiz segment has "In the Mausoleum" by Beirut as the answer.
- In Episode 49, Phillip Tibbetts says that he tells primary school children that the Lyon Court is like the medieval X-Men.
- Andy's Family/Wedding flag references The Hitchhiker's Guide to the Galaxy, as the yellow part makes up 42 percent of the flag, and 42 is the Answer to the Ultimate Question of Life, the Universe and Everything in the series. This is because Andy's fiancée is a big fan.
- In Episode 51, Andy says that the flag of Pueblo uses the Star Wars font.
- Episode 52 is titled "Derry Furls" referencing the show Derry Girls.
- Andy says that he used to own a shirt featuring Taz from Looney Tunes.
- Evan chooses the flag of Mars from The Expanse as his underrated flag.
