After trying to show off a bottle of poison that he found in a polluted swimming hole to SMG4, Mario accidentally kicks the bottle into SMG4's computer. SMG4 then demands that Mario get him another copy of the exact same computer, otherwise Mario will no longer have spaghetti.

SMG4 reads the story of how Mario was born to the audience.

Mario tries to help Luigi get Daisy to be attracted to him.

Mario has obtained a mustache for his Halloween costume this year, but it turns out it has a zombie-spawning curse on it.

As the title implies, Mario tries to play the game known as "The Idiot Test".

It's time for the very first War of the Fat Italians when Mario draws graffiti on SMG4's computer, causing SMG4 to post a video to YouTube that Mario never wanted anyone to see.

SMG4 is outraged when he finds out that there is another blooper maker on YouTube who is just using palette swaps of his own videos. And so the long feud between SMG4 and SMG3 begins.

Xboxfan and SMG4 are minding their own business one day when they notice that Luigi drops his card on the floor. As an act of common courtesy, they decide to return it to him.

Mario and company change color codes for a day to see what it's like being one another.

When X finds a mushroom, he shares it with SMG4 and Mario, only to find that it is a mini mushroom.

Mario and Luigi look for a way to get Peach and Daisy respectively to love them. They receive help from Rocks the Wizard and Ruffman8890.

When a man comes into the castle threatening to kill Mario and company, they quickly flee from the castle. After this, FM decides to train the others to fight in order to take him down.

When Mario gets hit by a pillow thrown by Toad, Mario winds up passing out and later waking up with amnesia.

When SMG4 and the rest of the guys besides Mario and Luigi enter a hole in a wall, they find a strange room with engraved stones.

Mario loses his clothes on accident after streaking across the Castle once again.

Mario begins questioning why his friends don't believe in Santa anymore.

Bowser is thinking of an evil plan when SMG3 comes in and gives Bowser his nightmare stone he used in "Crystal Funhouse (2011)".

Mario becomes rich when he wins the lottery and quickly starts acting like Toad in Toad Gold (2011).

When FM is captured by Bowser and SMG3, Mario and Luigi hear him screaming for help.

As the title implies, Yoshi steals Mario's wallet, and he tries multiple different ways to reclaim it.

When Mario travels to the desert in search of spaghetti that Toad told him about, Mario winds up stranded in the desert.

Mario opens up a package delivered to his front door and finds a baby inside.

It's a day of breaking the 4th wall for Mario and friends when they realize they are on a YouTube series.

Mario accidentally destroys mafia property so he has to do a couple of jobs to repay them.

Mario teleports all over the place to the main theme of the Mii Channel.

Mario finds a clone machine while fishing one day, and ends up cloning himself an awful lot.

SMG4 chases down a thief who was stealing things from the Castle.

SMG4 advertises a weight loss program for extremely fat people like Mario.

Mario is trying to get Peach to like him, so he asks SMG4 for tips on how to do so.

Similar to "A Day Without Peach", Peach wants to take a vacation, so she asks Mario to take care of the Castle while she is gone.

Mario ends up getting arrested after drinking too much at a party the night prior.

After warping through a portal and meeting a native American tribe of some sort, Mario and SMG4 are told that they are the Hero that saved their land long ago and the Hobo who is destined to bring bad luck to their land respectively.

As the title implies, SMG3 is back at it with his evil schemes, this time with the help of every other villain seen in the series up until this point.

Mario and SMG4 get sucked into the world of Minecraft.

Mario shows off another set of tips to defeat Bowser.

A remastered version of the very first SMG4 video, "The Cake is a Lie!".

The first video in the Ssenmodnar series, a compilation of random skits made by SMG4 starring him and his YouTube friends, just as the title implies when read backwards.

SMG4 helps Mario get more Spaghetti after Mario discovers there is no more left in the Fridge.

In the continuation to "The World of Craftmine", Mario burns down the house he and SMG4 were using as shelter.

Mario is done with having to climb stairs in the castle, and thus calls a Carpenter to install an elevator, which Mario and Luigi promptly get stuck inside because Mario exceeds the weight limit.

SMG3 shows off an ad campaign for his army.

After SMG4 gets invited by Starman3 to join a group of Machinima makers called "The YouTube Rangers", Mario becomes borderline obsessed with joining them as well, even though Starman won't let him.

SMG3 hires an assassin who poses as different friends of SMG4 in order to kill the real SMG4 and friends.

Mario and friends throw a surprise party for Starman3, who has earned 5,000 YouTube subscribers.

When Lakitu finishes setting up a cannon outside the castle to make it 100 times more powerful, Mario and SMG4 take it for a spin and wind up in Kokiri Forest.

Following on from "Herobrine", SMG4 and Mario, now joined by Starman3, build a portal to the Nether.

When the creature from "The Babysitters" winds up in the hands of SMG3 and Bowser, they decide to revive him to take over the world.

While searching for a way to get more toilet paper for Toad, Mario finds the abandoned forest of Slenderman.

SMG4's gloves turn pink when he asks Mario to put them in a washing machine.

Mario, SMG4, and Starman3 wind up an area in Minecraft called "The End" by way of a magic stone.