Four and X, the hosts of Battle for BFDInote and by extension Two, the host of Battle for Dream Island: The Power of Two, are taken from "X Finds Out His Value", an old educational animation created by Cary and Michael Huang before they became known for creating BFDI. These characters have since become the mascots for the jacknjellify channel, as seen during subscriber Milestone Celebration videos.
Bonus Stage often made references to its predecessor series, High Score, especially in earlier episodes. In one episode, Phil makes such a reference to an evil robot ex-girlfriend. Joel responds by laughing and then gruffly saying that they don't reference High Score anymore.
In The Brothers Mario by The Game Station, has the eponymous characters knock over an armored truck with a million coins. They mention how it's enough to buy a new life. It's enough to buy 10'000 new lives.
Krillin's nickname for Dende "Little Green" is a reference to the infamous Big Green dub, named so for inexplicably calling Piccolo "Big Green".
Similarly, Piccolo's line "Everyone of Gohan's race can become a giant gorilla!" also comes from the "Big Green" Dub. More specifically, it was one of Turles' lines.
In Cooler's Revenge, Krillin doesn't want to see Korin because last time he saw him, he kept calling him "Whiskers the Wonder Cat". A reference to the obscure Harmony Gold dub of the three Dragon Ball movies and everyone having name changes.
In a reference to TFS' past work during Dead Zone, when Ginger dies he says "What a douchebag". Referencing their old Neighborhood Cluck dub where he was named Douchebag. Similarly, Krillin repeatedly shouts "crap" to the theme of Tetris while dodging falling debris, has his line during that scene in the original version was "this is why I hate Tetris.
On the subject of the Neighborhood Cluck abridged version, the Bio Warriors are revealed to have formerly gone by the names "Zap-Zap", "Burr", and "Blub-Blub", which is what Kochin called them after forgetting their Japanese names.
The Void is a recurring focus in Epic SMP, with Ted Nivison in particular taking an interest in it. This is a holdover from his character on SMPLive, who ran a dedicated cult to the Void and even sacrificed his soul to it at the end of the server.
Ever After High is chock full of gags inspired by the source materials.
"DROPPER HIGHCRAFT" features a callback to Minecraft Monday, a tournament that cscoop and Traves used to compete in back in 2019. A clip from Minecraft Monday where Cooper is playing Dropper is played.
In "2b2stoned", the phrase "FEATHER, INK SAC AND A BOOK!", which comes from an older video where RoastedJames says the phrase in a funny tone.
The Emperor mentions a card-games-and-chess parties the top Magnificent Bastards of the 'versenote Namely, him, the Deceiver, Tzeentch, Cegorach and Creed have in the Webway. This is a joke from /tg/.
At one point, Torquemada Coteaz from fan-film The Lord Inquisitor shows up, leds a hand to the antagonist and then returns to finish his film.
In the second Q&A, one of the letters is from the Millennial, a character from fanfic Defrosted.
Lucky Day Forever has some visible influence from Alek's other animations, like the robots from "Smile", the strange attitude of "Polsupah", and 514's facial structure which is comparable to the poet from "Hanged Man's Elegy".
Back when The Onion was a print magazine, it would have a page with a "continuation" of a non-existent article that simply repeats the sentence "Passersby were amazed by the unusually large amounts of blood." This sentence would make it into an actual article in 2008.
The end of "Instruction Manuals" has Scott attempting to follow a manual for a game titled "You Should Put Your Fork in the Microwave: The Video Game". A good joke on its own, but it's also a reference to one of Scott's older videos, "Cookin' Hard".
The revelation of Wendy's Employee having a brother named Target Employee calls back to Scott having first met Wendy's Employee at a Target store in "A Very Madden 08 Christmas".
SiIvaGunner, a channel made to pass off edited audios, remixes and arrangements of videogames songs as the real thing to unsuspecting viewers, does this with the channel it's based on (GilvaSunner). This happens on aspects from titling and thumbnails to even errors made in the original channel. For example, in GilvaSunner's rip of Mega Mushroom from New Super Mario Bros, a voice clip from Luigi was left at the start by mistake. On this edit by SiIvaGunner, he replicates said error as a gag.
SMPEarth: CaptainSparklez founds the Kingdom of Jordan, later renamed Fallen Kingdomnote after his song, with the capital called "Creeper, Amman"note after his song "Revenge".
In the October 2, 2008 HoloNet News broadcast, when discussing the Separatists' new super weapon, there was mention of how big a ship had to be to mount an ion cannon capable of wiping out entire task forces. The minimal values that the commentators suggest were 8, 12, and 17... which happen to be the different lengths Super Star Destroyers have had in various official media.
Before the recap of the 2nd part of the Rubber Soul mini-arc, Rudolf von Stroheim entered the Guile Look-a-Like contest and wins First Place, which is a reference to Guile being based on Stroheim.
Sort of. Jotaro mistaking Benimaru Nikaido for Polnareff is a reference to how Benimaru was explicitly based off of Polnareff (to the point that some of SNK's development team sometimes still call him Polnareff.)
Waldo The Movie: When the various agents are meeting to discuss what they know about Waldo and how to take him down, the information about him displayed on the wall includes his picture from one of the Where's Waldo? books instead of an image of the actor.