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While the world awaits the final Dethklok performance, members of the band prepare for their life after Dethklok. 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.

The Band argues over album credits, social networking and a woman as an important dinner approaches, forcing the band's CFO to attempt to keep the peace.

The guys spend time on a sub without women, and the conditions quickly deteriorate, encouraging Pickles and Nathan to compete for the affections of their producer.

When Murderface receives the Most Brutal Looking Musician Award, he decides to get plastic surgery in Mexico.

Toki goes to rock-and-roll camp and is bullied by other campers. But he soon finds an ally in a former Dethklok guitarist. Meanwhile, Skwisgaar and Murderface binge on candy and horror movies while Toki is away.

Dethklok gets a new producer.

Fed up with the verbal abuse from his bandmate, Toki writes a tell-all book called Skwisgaar Is Ams Dick and takes over as Dethklok's lead guitarist.

Dethklok goes to Tomahawk, Wisconsin to open a Dethfair hoping to stimulate the economy they ruined. Pickles works on his relationship with his mother who tells him he needs a real job. Pickles decides to do just that and puts away his drumsticks to be become a realtor.

The guys play pranks and go on vacation to celebrate the release of their album, but Nathan feels that something isn't right with their latest release. Meanwhile, Skwisgaar and Toki plot revenge on Murderface for his pranks.

After Dethklok is accused of being racist at a huge press conference, they combat the charges by opening an Urban Youth Dethcenter.

In the Season 4 premiere, the band attend Klokikon, a fan convention where they encounter many disturbing devotees. Things only get worse when Nathan starts dating a fan.