Murderface searches for a religion after a near-death experience leaves him longing for greater meaning. He samples everything from Christianity to Satanism before finding his true calling.

Uncomfortable and embarrassed, Dethklok painfully endures while their parents are in town for a visit. They are at first pissed and doubtful when their parents announce the release of the 'Parents of Dethklok' album, but soon realize the depth of their parents' anger. The guys learn an important lesson: there's nothing more brutal in this world than raising children.

Pickles decides to go on a reunion tour with his old band, Snakes 'n' Barrels. The government plots to use a new super-drug to erase Pickles' mind and 'reprogram' him, thereby destroying Dethklok from within.

After a concert that Dethklok didn't perform, but just stood on the stage, they travel to Mississippi to learn about the blues.

Dethklok has a huge fight on stage, which prompts the record label to hire a performance coach to keep the band together. The band falls in love with therapy for all the wrong reasons.

Skwisgaar hosts the "Skwisgaar Skwigelf Advanced Hand Finger Wizard Master Class" pay-per-view event to promote sales of his new guitar line, which includes models such as the Skwisarmyatar and the Antfarmatar. The rest of the guys get inspired to also try their hand at endorsement deals. Metal legend King Diamond guest stars as Ronald Von Monoldburg.

Dr. Rockso and Toki's sudden friendship has the rest of Dethklok uneasy.

Dethklok receives death threats from fans right before the first live performance of Dethwater. Krosier and Ravenwood attempt to take Dethklok out, with the help of an old enemies brother... With the secret army on the horizon waiting for the right moment to strike, will Dethklok make it through this?

Dethklok frontman Nathan Explosion wants the band's next album to be the ultimate smash hit. So, to achieve this goal, he decides to have a recording session locked in a Russian nuclear submarine that is moving through the Mariana Trench - the deepest, darkest location in the Earth's crust itself. How brutal is that?!

The band plays an ancient song which hasn't been heard in thousands of years which unexpectedly awakens a deadly Nordic lake troll and must compose the world's first death metal lullaby to return the beast to its slumber.

Dethklok decides to try their hand at standup comedy in order to avoid burning out on metal. Pickles remains traumatized by a heckler while the rest of the band learns that comedy is all about embracing the hate.

Dethklok has an end of the quarter employee evaluation to find out who has been embezzling from the company. The patronizing evaluation start off with a pep talk and a corporate video that will have audiences and Dethfans alike vying for a spot on the Dethklok payroll.

Continually plagued by his stupidity, Nathan Explosion decides to attempt to earn his GED.

Dethklok is asked to host the American Pornography Awards, but Nathan's new controlling girlfriend puts a damper on the situation for the entire band.

The band is given a movie development deal.

Dethklok hires the world's only six-star chef to cook dinner for them before a show in Norway. They warn him of the Dethklok curse, where every employee they've hired, chefs included, has tragically died. Later, when their new chef is at near-death on life support following an unfortunate helicoptor mishap, the band is forced to make its own meals.

Toki Wartooth is fed up playing in the shadow of Skwisgaar's lead guitar. Under the tutelage of a crusty old guitar master, Toki learns that the heart, too, has strings.

The wounded, the scarred, and the disfigured unite. Meanwhile, an oblivious Dethklok spends their studio time recording onto the purest of all analog formats: water.

Pickles's brother is getting married and Dethklok are asked to appear at the wedding.

Pickles gets a new PR lady who inflates his fame, prompting jealousy from his bandmates.

When William Murderface creates an auto event, Nathan and Pickles try to be supportive while Swisgaar and Toki try to get their licenses.

The guys pull pranks and go on vacation to celebrate the release of their album, but Nathan senses that something is not right with their latest release. Meanwhile, Skwisgaar and Toki plot revenge on Murderface for his pranks.

The band’s new female producer sends them on a vacation to help write songs for the new album. The getaway proves anything but relaxing, however, when they end up in a brutal country and are sold into sex slavery.

Toki decides he wants to find his soulmate and goes to a match making service. Meanwhile, Murderface bets Skwisgaar that he can have more sex than him.

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?