Inside Jokes

Season One

 * Brownie is the name of Dalton's real life cat in "Brownie Loves Eeevee".
 * Attack of the Orange is a reference to how Matt's cousin hates Annoying Orange.
 * Aunt Shelley calls Matt "Matthew Doyle" which is his real life middle name.
 * The King's dog looks a like Matt's dog, Rooster.
 * The Walmart Numa Numa is a reference to how when Matt was little he would dance in the middle of Walmart whenever good music came on.

Season Two

 * When Matt says "Die Potato!" it shows Dalton's fish, Potato.
 * The Chopped Liver joke is a reference to how Matt used to be scared of the Alice Cooper episode of The Muppet Show.
 * Richie and Mr. Mcgee from 2MattTV appear in "asdfmovie8 in real life".
 * The Elite Watcher in Fate Mods 2014 is a reference to how Matt used to pronounce it EYE-LEET Watcher when he was in Second Grade.

Season Three

 * Zed Buckmaster appears in "Wagon Wheel Remake".
 * Matt's pet chicken, Kirby used to crow on the porch as his Spore creature did in "Spore In Real Life".

Season Four
None

Season Five

 * Zippy mentions 2MattTV in "The Revenge of Colin".
 * Gabi appears next to Toucan Sam in "Detroit, Michigan" because in Matt's fanfictions Gabi has a crush on Toucan Sam.
 * The main 2MattTV cast appear in "Mom's Bday Special".
 * The Superdogs in "Superdogs Movie Trailer" were characters that Matt made up when he was younger.

Season Five

 * Matt's World is the name of a fake amusement park Matt made up when was little.
 * Matt's dog, Shawnee appears in "The 1visualFXguy Back To School Special".