While the Monarch schemes to dispose of Dr. Venture once and for all, Henchman 21 seeks revenge on Brock for the death of 24.
The Order of the Triad attempt to rescue the Outrider from Hell. Meanwhile, Triana realizes she has a gift, and Dean must make a fateful decision about his relationship with Triana.
While Dr. Venture goes into therapy with other boy adventurers, Sgt. Hatred takes Dean and Hank to the movies, only to have a relapse.
The Phantom Limb takes on a new identity and attacks the Guild, while Sgt. Hatred and Hank bond over during their efforts to defend the Venture Compound.
Henchman 21 vows to find the killer(s) of Henchman 24... and starts with the Venture Brothers. Meanwhile, the Monarch has an allergic reaction and Sgt. Hatred visits his old home.
Dr. Venture decides it's time for Dean to embrace his inner scientist. Meanwhile, a defective Dean clone decides to emulate the original, Dermott pays Hank a visit, and the local sheriff's office decide that something is going on at the Venture compound.
The Monarch decides to settle for cash as the best revenge on Dr. Venture and takes Hank and Dean hostage. However, Hank is rescued by Captain Sunshine, who wants a new boy sidekick to replace his fallen comrade Wonder Boy.
With Brock still MIA, Dr. Venture gets a new bodyguard. Hank and Dean get new jobs, Henchman 21 deals with the death of his partner, and Hitler must die!
