The Dukes are on the road when a pesky fly invades their van. Arj's determination to rid the van of the fly leads to a battle of epic proportions.
Arj swallows a microphone stand transforming him into Arj-o-phone - part Duke, all microphone. His auto-tune abilities attract the attention of the Dukes' rivals the Lukes of Flökstônia who switch him with a fake.
Larj's stench is at an all-time high. Arj and Barj attempt to wash Larj but his stinky underpants come alive refusing to be washed. When the grotty guitarist Larj and his undies start a bromance, Arj and Barj must stage an intervention.
Arj and Larj have to rescue Barj after he's sucked inside a mysterious 1980's arcade game right before a gig.
The Lukes send a cyborg version of Barj's Mum to fatten up the Dukes.
After Barj is injured during a video shoot, he's given an experimental robot exoskeleton and turns crime fighter.
Larj seeks out the Bröxstônian rock god to get his guitar mojo back.
Barj is mistaken for a wild west villain and thrown into jail by his band buddies for a reward.
To escape screaming monster fans, the Dukes jump into a waiting limo, which is actually intended for some royals. The Dukes are taken to a regal reception at a posh golf club where all hell breaks loose.
While playing at the launch of the Bröxstônian moon mission, the Dukes end up in the spaceship and blast off into space. Things heat up when they discover they're hurtling towards the sun.