Dex and Lyle send the first episode of Sanity Not Included to Machinima, but a Machinima employee has some problems.
Dexter and Lyle find something strange in the online Halo universe...a girl!
Dex and Lyle decide to play LittleBigPlanet, which they believe to be a 'kids game'. They find out they're very mistaken
Dex and Lyle are shitting together and get up to all types of conversations.
Dex sings a song about how much he hates Sonic the Hedgehog (2006).
Dex and Lyle are visited by a mysterious man wearing a suit and sunglasses who need them to go on a mission to "SSSSSSAAAAAAAVVVEEEE THE WWWWOOOOOOOORRRRRLLLLLD!".
Dex and Lyle exchange places in this week's animation.
There's a power cut in the Sanity Not Included office.
Lyle visits Dexter's house where his little sister and his grandma are over for his little sisters party. Lyle comes in extremely drunk making accusations that Dexter ditched him for cool new friends.
Its Sheep Day and Dexter doesn't know.
Dexter is identiefied British by a random girl and is pestered until he says 'Banana'. This leads into a fight and meeting of a French person.
Nina is sick of being pushed around by others, and asks Lyle for help on how to be mean and uncaring to other peoples feelings. Whilst that happens Dexter is alone in the house, so he decides to touch everything in their rooms.
Nina shows Dexter and Lyle the 'problem' in the second bathroom of their house.
Amanda tries to find out the relationship between Lyle and Nina.
Dexter and Lyle end up in prison where the warden (Rauss), has a very unique punishment for the inmates.
Dexter and Lyle bust out of jail and rescue the horny Nina and Amanda, then set out to kill Raust Blackdragon. They then discover that Rauss made copies of his novel in audiobook form
Dex and Lyle come across a goose whom Lyle has a history with, and Dex learns about the consequences of punching one.
Dexter and Lyle are at the beach and unintentionally win a surfing competition.
Dex and Lyle infiltrate a sperm bank and embark on a dangerous espionage mission to retrieve Dex's donated sperm. Introduces a new one-off character, Sperm Bank Guard.
Fifty Shades of Gay introduces a new one-off character to the show; Fanny; one of Dex's old girlfriends. It is also the first episode in Season Three, to show the return of Rauss (In a paralyzed wheelchair.) Rauss wants to read their new novel to Dex and Lyle.
Dex, Lyle, Nina, and Amanda are all stuck on a train track, and get hit by a train. They get sent to purgatory where they meet the Grim Reaper, who offers to bring them back to life if they can beat him in a "clash of the fists". But each time they're revived, they nearly instantly get hit by the train again, and have to use their wits and quick thinking with the help of the Grim Reaper to successfully get off the repeated cycle of death.
The Boy Bangers shows Dex and Lyle's new band the 'Boy Bangers'. Lyle and Dex find it hard to appeal to women without looking gay and this results to Lyle's shooting himself and his death and departure from the series.
It starts with Dex and Nina holding auditions looking for a new roommate. Throughout there search, Aleks appears, and Dex believes he is the one. A hobo then gives Dex and Aleks a Wii U, then the 'nobs' and Dex with Aleks get into a fight.
The episode starts off with Dex and Aleks making a series of terrible puns related to fish, Then they turn on the Wii Mii and get teleported into the video game, Halo.
Continues on the fiasco of Dex and Aleks being stuck in video games due to the Wii Mii. They get teleported back to real life; then back into Luigi's Mansion 2. After glitching their way out of Luigi's Mansion they come back to real life.
The episode opens with Dex and Aleks destroying the Wii Mii. Then they go confront the hobo about the Wii Mii. Meanwhile, Amanda and Nina get caught and trapped by the Wii Mii, which was never fully destroyed.
The plot continues on from the last episode with the evil Wii Mii attempting to get into Dex's house and we get to see the evil masterminds behind the Wii Mii.
Due to Amanda's parents visiting the house, Dex and Aleks stoke up on large amounts of alcohol at a shopping center. Then Nina and Amanda get into an elevator to go down, once inside, they both get knocked out by two scientists seen in the previous episode. Whilst this happens Dex and Aleks get drunk and Aleks gives Dex oral.
Dex and Aleks start the episode on a flight for their holiday, but during the plane journey, they both get sucked into the Nintendo 3DS and teleported into the video game world.
Dex and Aleks get teleported to E3 and have a 5 video interactive segment. Then they're teleported back to the desert, Then into another video game where they have to kill a Chief, then into Minecraft afterward.
Dex and Aleks escape from Minecraft whilst singing a 'Manly Musical'. Meanwhile, Nina and Amanda talk to the Hobo bumfiddler about how they can find Dex and Aleks.