Annoyed by Flute ruining her dates, Harmony pushes him to move out, resulting in him moving into a house haunted by a doting housewife who does all his chores, transforming him into a real adult.
After Otis the Kid Detective is put on the force per pressure from the mayor, Flute makes it his mission to get the kid to quit the force; Harmony drinks a lot of cough syrup to get over a cold, which causes her to start seeing Mr. Flesh.
Flute and Kang butt heads over Flute's relationship with Kang's Great, Great, Great Granddaughter; a bomb threat is called on Grimsburg's annual Virgin Pageant.
When his dad returns to town, Flute will do anything he can to keep his idol around, even if that means getting rid of his sibling rivalry -- his dad's talking car; the detectives must teach Stan about the birds and the bees.
When Flute learns that criminals at CrimeCon are celebrated, not the detectives, he decides to prove that celebrity criminal Damien Flesher is not the reformed cannibal he claims to be; Pentos meets the Pentos-tonix.
When Flute goes for surgery to have a second testicle put in, he finds an unexpected side effect.
Roles get reversed in Flute and Summers' partnership after male sex workers start turning up dead.
In order to win this year's Undies Award for best undercover operation, Flute infiltrates the Preggo crime family.
Flute and Martinez butt heads as they're sent on a literal wild goose chase.
Memories are sparked when Grimsburg PD cleans an evidence locker.
When the criminals of Grimsburg go on strike, the police force gets furloughed.
An interdimensional rift appears in Grimsburg and through it emerges the Multi-Flutes, an elite squad of Flutes from different dimensions.