The Monarch sends Dr. Girlfriend undercover to seduce Dr. Venture in order to inject him with a body-altering serum.

When the Venture Family visits Tijuana for a lecture Dr. Venture is giving at the (community) University of Mexico, the dastardly Monarch weaves a cocoon of villainy that leaves the Venture brothers trapped in his clutches.

The Venture family must travel to space to repair an orbiting space station that Dr. Venture's father built in the 1970s, but a mysterious space phantom could be haunting the station!

To protect the Venture compound while Brock is on his yearly mountain survival sabbatical, Dr. Venture builds a panic room and a robotic bodyguard, which are soon put to the test.

Hank and Dean graduate from their education beds, and look into college. Hank rebels and tries to join Sphinx. Meanwhile, Phantom Limb breaks out of the Guild's dungeons and seeks revenge once more.

The ghost of Abraham Lincoln and Team Venture investigate an insidious plot to assassinate the President.

Dr. Venture is offered a job by theme park owner and cartoon magnate Roy Brisby, who won't take no for an answer in his quest for worldwide entertainment dominance.

Dr. Venture's new experiment has the entire family interested--not to mention trapped inside! The Ventures' strange new neighbor, master of mysticism Dr. Orpheus, may be the only one who can help them escape.

Baron Ünderbheit captures Team Venture when the X-1 crash lands in Ünderland while en route from a superscience costume party.

A figure from Dr. Venture's past haunts him during his annual vacation to Spanikos.

Dean pays a visit to the mystery woman in his life, while Hank and Dermott play a prank on Dr. Venture which leads him on a quest to find his mystery friend and rescue him.

While the Monarch and his wife attempt to destroy the Venture compound once and for all, the Monarch learns a startling secret about his past. Meanwhile, Twenty-One tries to create a new SPHINX... and inadvertently recruits the members of the old SPHINX.

White and Billy grapple with their archenemy in their old neighborhood; Doc realizes he cannot face his responsibilities alone.

On a scientific expedition in the Bermuda Triangle, Doc's experimental equipment awakens and possibly enrages the submerged ghost of Major Tom, a test pilot who crashed in an experimental aircraft designed by Doc's father.

Dr. Venture, Pete White and Master Billy Quizboy are invited to take part in a top secret government think tank run by supergenius Professor Impossible.

The Monarch finally has the Venture family right where he wants them hanging upside down above the Amazon river! But his victory is postponed when Dean suffers a strange but fairly common injury, acute testicular tortion.

Always short on cash, Dr. Venture decides to unload some of his father's old scientific equipment in a huge yard sale that attracts fellow scientists and super-villains alike.

When Brock and Dr. Venture are kidnapped from the funeral of a college friend, the boys enlist the aid of the original Team Venture: a group of superscience adventurers who worked for their grandfather in the sixties.

The Monarch is on trial for the one crime he may not have committed, under mysterious circumstances stemming from his bitter breakup with Dr. Girlfriend.

Dr. Venture finally learns the secret of his recurring womb nightmares when a stomach tumor turns out to be something far more sinister. In a fit of jealousy over their mistaken belief their father is pregnant, the boys run away from home.

The wait is over. The truths and half-truths about Dr. Venture's former arch nemeses, Dr. Girlfriend and The Monarch, are finally revealed (albeit obliquely) in an episode spanning twenty years.

Dr. Venture learns that a life with no arch enemy is not nearly so sweet when he finds himself besieged by C-list pretenders to the Monarch's throne, and his super-science business once again on the rocks.

At long last, The Venture Bros. peels away the onion-like shrouds of time for a look back into the troubled past of America's most beloved hydrocephalic former boy genius.

As The Monarch and Dr. Mrs. The Monarch settle into their new home and a new, no-more-arching-Dr.-Venture anymore life, Dr. Venture receives an unorthodox introduction to his new Guild-assigned nemesis.

Dr. Venture, in a bid to make some much-needed money, opens up the compound as "Rusty's Day Camp for Boy Adventurers." But while the children are kept busy with activities.