When Nathan learns that his ex-girlfriend, Rebecca Nightrod, has already found new love while still in a coma, he decides to return to the dating scene. Unfortunately, the rest of the band makes it difficult for Nathan to make a true love connection.
EP 1 The Curse of Dethklok
After performing a coffee jingle in the farthest reaches of the Arctic Circle to a sold-out crowd, Dethklok witnesses their French chef being chopped to pieces by the blade of their helicopter restaurant. The bad news is that Dethklok is now faced with the daunting task of cooking dinner themselves.
EP 4 Dethtroll
The band plays a song that unintentionally wakes a deadly Nordic Forest Troll. Dethklok doesn't care until they learn that the Troll is knocking out all DSL lines, making their Internet really slow. Dethklok must write the world's first Death Metal Lullaby to put the demonic beast back to sleep.
EP 6 Dethkomedy
In a legendary bad move, Dethklok decides to do standup comedy. Pickles remains traumatized by a heckler while the rest of Dethklok learns that comedy is all about embracing the hate. Dethklok finds that they are very much naturals at this. The physical comedy routine they work out really kills.
EP 9 Snakes 'n' Barrels
Pickles reunites with his old hair band, "Snakes 'N' Barrels", which has the rest of Dethklok worried that their drummer may leave them. When the ten-years-sober "Snakes 'N' Barrels" are given experimental psychotropic drugs before their performance, the result is something beyond brutal.
EP 10 Mordland
Dethklok has opened up their home for their annual Dethfan Day. Dethklok continues with their "normal" everyday activities (like liver transplant surgery and scrubbing toilets) while fans are ushered around the house, guided by an animated skull and a maze of velvet rope. Dethklok finds themselves in a sticky situation when two Internet geeks threaten to bring down Dethklok with their advanced Photoshopping skills.
EP 11 FatKlok
In a last-ditch scramble for tax breaks, Dethklok agrees to host an event with the London Philharmonic, but only under one condition: Dethklok gets to produce their own kind of laser light show. They've also taken in a distempered fat kid they found, and must juggle the responsibilities of parenting while upholding their charitable agreement.
EP 1 Dethecution
Since Dethklok's withdrawal from the public following the purported Dethwater Live "fan attack", the world economy teeters on the brink of disaster. Dethklok is finally lured back into the outside world with their protective "pelvic-thrust mace belts" to be a part of the world's largest public execution of criminals in recorded history.
EP 1 Renovationklok
After the attack on Mordhaus, Dethklok is left without a manager and plagued by greedy record execs and forced to face the brutality of the slumping economy while dabbling in interior design. Will they spend everything and sign a deal that will render them powerless? Or worse, will they allow Murderface to turn the living room into an Arizona-styled sandscape?
EP 3 Dethhealth
After a near-death experience, Dethklok realizes they would rather be sick and not know then face the brutality of going to a doctor. After home remedies including drinking bleach, Dethklok learns that their ultimate fear will be realized, one of them has a terminal illness. Meanwhile Nathan tries to brave the brutality of going to the dentist and Murderface faces the possibility of being gay after accidentally ejaculating on a doctors face. Part of Season 3.
EP 4 Dethmas
Dethklok must experience the ultimate brutality of the Holiday season; spending time with their MOTHERS. Meanwhile Murderface ringleads the ultimate Christmas special that ends up being backed by the Christian church. And a particular ROCK AND ROLL clown makes a holiday appearance. Part of season 3.
EP 5 Fatherklok
After an onslaught of paternity suits, Skwisgaar realizes he will never change until he quits the band to find his father who abandoned him before birth.Meanwhile, Dethklok realizes they all have father abandonment issues and Murderface decides to repair the damages by appointing himself "Band Father."
EP 6 Fertilityklok
Toki falls head over heals for a girl he meets online. When things sour he tries to break it off and instead has to bear the brutality of being her date at her father's vegan funeral in 110 degree heat. Meanwhile Nathan experiences the brutality of dating a performance artist. And Murderface must attend a sexual harassment seminar after trying to match Skwisgaar's sexual prowess.
EP 1 Fanklok
Despite his bandmates' warnings, Nathan begins seriously dating one of his fans. But as the evidence of her past piles up, to prove her innocence, he follows her to the most brutal place on earth: Klokikon - the annual Dethklok fan convention filled with cosplay geeks and homosexual fan art. Meanwhile, the rest of the band starts smoking after Murderface lands the cover of Smokaroonie Aficionado.
EP 2 Diversityklok
After Dethklok is accused of being racist at a huge press conference, they combat the charges by opening an Urban Youth Dethcenter. Meanwhile, Toki, after being left behind, starts a special club that promotes equality and love but excludes Murderface because he doesn't have the right look.
EP 3 Prankklok
With their new album finally shipping, Dethklok plans their post-release traditions of vacationing, goofing off, palling around, and prank calls. Nathan, however, can't shake the feeling that something is wrong with the record... After being humiliated by Murderface's prank calls, Skwisgaar and Toki swear revenge.
EP 4 Motherklok
Dethklok heads to Tomahawk, Wisconsin to open a Dethfair in hopes that it will stimulate the economy they destroyed. Pickles uses this time at home to reconnect with his disapproving mother who tells him that she won't respect him until he gets a real job. Pickles decides to hang up his drumsticks and goes into an even more brutal profession: he becomes a realtor.
EP 6 Writersklok
After spending all their time with sluts and squandering the budget on their new record, Dethklok is shocked to find they've been assigned a new producer: A WOMAN. She sends them on a pre-writing vacation that turns out to be a brutal trip to a third world country where they're mistaken as women and captured as sex slaves.
EP 7 Dethcamp
In an effort to make friends, Toki goes to Rockaroonie Fantasy Camp - a weekend getaway to rub elbows with rock and roll royalty (but he attends as a camper.) Instead of meeting friends, he is bullied by other campers and has no one to turn to but celebrity counselor, Magnus Hammersmith; ex-Dethklok guitarist with a troubled past. With Toki - the diabetic scaredy cat - out of Mordhaus, Skwisgaar and Murderface act out and over do it with candy and scary movies.
EP 9 Going DownKlok
Dethklok returns to the water to record in their new Dethsub but, plagued with the lack of women, carpel tunnel sets in from excessive masturbation. The band regresses to an animal mindset. Pickles and Nathan spend their energy crossing the workplace relationship line and competing for the only woman on the sub: their producer.
EP 10 DethDinner
As Dethklok hosts the most important dinner of their career, the divvying of album credits, over tagging on social networking sites, and fights over a girl come to head. Can CFO keep their issues in check? Will the record executives forgive them for the past year of mistakes? Or will it be a total, brutal disaster?
EP 11 Breakup Klok
While the world awaits the final Dethklok performance, members of the band prepare for their post-Dethklok careers. Pickles starts a winery for the most alcoholic wine ever, Nathan and Swkisgaar look for a brand new sound that doesn't suck, and Toki works with Murderface on his campaign for congressman. Meanwhile, Salacia takes Dethklok's weakness as the opportune time to strike!
EP 12 Church of the Black Klok
Dethklok is notified of a looming secret that's been around for hundreds of years: the secret of the Metalocalypse. Before they can contemplate what this means, however, Nathan must give a eulogy and do the most brutal thing he has ever done: get in touch with his emotions.